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Finding the Fourth Proportional to 657,412.53, 907,218 and 367,008.90

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Solution

The fourth proportional to 657,412.53, 907,218 and 367,008.90 is: 506,465.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,412.53 : 907,218 = 367,008.90 : x
  2. Step 2: Convert to fraction form
    657,412.53/907,218 = 367,008.90/x
  3. Step 3: Cross multiply
    657,412.53x = 907,218 × 367,008.90
  4. Step 4: Simplify right side
    657,412.53x = 332,957,080,240.20
  5. Step 5: Solve for x
    x = 332,957,080,240.20/657,412.53
  6. Step 6: Final answer
    x = 506,465.98

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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.