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Finding the Fourth Proportional to 630,600.90, 945,901.35 and 293,640.90

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Solution

The fourth proportional to 630,600.90, 945,901.35 and 293,640.90 is: 440,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,600.90 : 945,901.35 = 293,640.90 : x
  2. Step 2: Convert to fraction form
    630,600.90/945,901.35 = 293,640.90/x
  3. Step 3: Cross multiply
    630,600.90x = 945,901.35 × 293,640.90
  4. Step 4: Simplify right side
    630,600.90x = 277,755,323,725.22
  5. Step 5: Solve for x
    x = 277,755,323,725.22/630,600.90
  6. Step 6: Final answer
    x = 440,461.35

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Half scale
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Double scale
Find fourth proportional to 630,601.90, 945,902.85 and 293,641.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.