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Finding the Fourth Proportional to 460,017.01, 634,645.29 and 339,447.70

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Solution

The fourth proportional to 460,017.01, 634,645.29 and 339,447.70 is: 468,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,017.01 : 634,645.29 = 339,447.70 : x
  2. Step 2: Convert to fraction form
    460,017.01/634,645.29 = 339,447.70/x
  3. Step 3: Cross multiply
    460,017.01x = 634,645.29 × 339,447.70
  4. Step 4: Simplify right side
    460,017.01x = 215,428,884,006.33
  5. Step 5: Solve for x
    x = 215,428,884,006.33/460,017.01
  6. Step 6: Final answer
    x = 468,306.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.