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Finding the Fourth Proportional to 657,729.43, 907,649.41 and 367,333.09

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Solution

The fourth proportional to 657,729.43, 907,649.41 and 367,333.09 is: 506,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,729.43 : 907,649.41 = 367,333.09 : x
  2. Step 2: Convert to fraction form
    657,729.43/907,649.41 = 367,333.09/x
  3. Step 3: Cross multiply
    657,729.43x = 907,649.41 × 367,333.09
  4. Step 4: Simplify right side
    657,729.43x = 333,409,656,037.06
  5. Step 5: Solve for x
    x = 333,409,656,037.06/657,729.43
  6. Step 6: Final answer
    x = 506,910.05

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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.