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Finding the Fourth Proportional to 637,332.60, 955,998.90 and 446,561.40

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Solution

The fourth proportional to 637,332.60, 955,998.90 and 446,561.40 is: 669,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,332.60 : 955,998.90 = 446,561.40 : x
  2. Step 2: Convert to fraction form
    637,332.60/955,998.90 = 446,561.40/x
  3. Step 3: Cross multiply
    637,332.60x = 955,998.90 × 446,561.40
  4. Step 4: Simplify right side
    637,332.60x = 426,912,207,182.46
  5. Step 5: Solve for x
    x = 426,912,207,182.46/637,332.60
  6. Step 6: Final answer
    x = 669,842.10

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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.