Home / 657,488.13-907,333.61-355,682.13

Finding the Fourth Proportional to 657,488.13, 907,333.61 and 355,682.13

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Solution

The fourth proportional to 657,488.13, 907,333.61 and 355,682.13 is: 490,841.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,488.13 : 907,333.61 = 355,682.13 : x
  2. Step 2: Convert to fraction form
    657,488.13/907,333.61 = 355,682.13/x
  3. Step 3: Cross multiply
    657,488.13x = 907,333.61 × 355,682.13
  4. Step 4: Simplify right side
    657,488.13x = 322,722,351,025.39
  5. Step 5: Solve for x
    x = 322,722,351,025.39/657,488.13
  6. Step 6: Final answer
    x = 490,841.33

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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.