Home / 657,523.04-907,047.49-399,331.29

Finding the Fourth Proportional to 657,523.04, 907,047.49 and 399,331.29

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Solution

The fourth proportional to 657,523.04, 907,047.49 and 399,331.29 is: 550,874.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,523.04 : 907,047.49 = 399,331.29 : x
  2. Step 2: Convert to fraction form
    657,523.04/907,047.49 = 399,331.29/x
  3. Step 3: Cross multiply
    657,523.04x = 907,047.49 × 399,331.29
  4. Step 4: Simplify right side
    657,523.04x = 362,212,443,274.63
  5. Step 5: Solve for x
    x = 362,212,443,274.63/657,523.04
  6. Step 6: Final answer
    x = 550,874.14

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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.