Home / 923,520.30-1,385,280.45-503,616.30

Finding the Fourth Proportional to 923,520.30, 1,385,280.45 and 503,616.30

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Solution

The fourth proportional to 923,520.30, 1,385,280.45 and 503,616.30 is: 755,424.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,520.30 : 1,385,280.45 = 503,616.30 : x
  2. Step 2: Convert to fraction form
    923,520.30/1,385,280.45 = 503,616.30/x
  3. Step 3: Cross multiply
    923,520.30x = 1,385,280.45 × 503,616.30
  4. Step 4: Simplify right side
    923,520.30x = 697,649,814,691.34
  5. Step 5: Solve for x
    x = 697,649,814,691.34/923,520.30
  6. Step 6: Final answer
    x = 755,424.45

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Half scale
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Double scale
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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.