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Finding the Fourth Proportional to 622,400.40, 933,600.60 and 307,472.40

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Solution

The fourth proportional to 622,400.40, 933,600.60 and 307,472.40 is: 461,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,400.40 : 933,600.60 = 307,472.40 : x
  2. Step 2: Convert to fraction form
    622,400.40/933,600.60 = 307,472.40/x
  3. Step 3: Cross multiply
    622,400.40x = 933,600.60 × 307,472.40
  4. Step 4: Simplify right side
    622,400.40x = 287,056,417,123.44
  5. Step 5: Solve for x
    x = 287,056,417,123.44/622,400.40
  6. Step 6: Final answer
    x = 461,208.60

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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.