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Finding the Fourth Proportional to 614,000.05, 921,000.08 and 463,425.10

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Solution

The fourth proportional to 614,000.05, 921,000.08 and 463,425.10 is: 695,137.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,000.05 : 921,000.08 = 463,425.10 : x
  2. Step 2: Convert to fraction form
    614,000.05/921,000.08 = 463,425.10/x
  3. Step 3: Cross multiply
    614,000.05x = 921,000.08 × 463,425.10
  4. Step 4: Simplify right side
    614,000.05x = 426,814,551,856.88
  5. Step 5: Solve for x
    x = 426,814,551,856.88/614,000.05
  6. Step 6: Final answer
    x = 695,137.65

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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.