Home / 657,305.04-907,081.56-355,499.04

Finding the Fourth Proportional to 657,305.04, 907,081.56 and 355,499.04

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Solution

The fourth proportional to 657,305.04, 907,081.56 and 355,499.04 is: 490,589.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,305.04 : 907,081.56 = 355,499.04 : x
  2. Step 2: Convert to fraction form
    657,305.04/907,081.56 = 355,499.04/x
  3. Step 3: Cross multiply
    657,305.04x = 907,081.56 × 355,499.04
  4. Step 4: Simplify right side
    657,305.04x = 322,466,623,781.70
  5. Step 5: Solve for x
    x = 322,466,623,781.70/657,305.04
  6. Step 6: Final answer
    x = 490,589.00

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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.