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Finding the Fourth Proportional to 657,306.04, 907,082.94 and 355,500.04

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Solution

The fourth proportional to 657,306.04, 907,082.94 and 355,500.04 is: 490,590.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,306.04 : 907,082.94 = 355,500.04 : x
  2. Step 2: Convert to fraction form
    657,306.04/907,082.94 = 355,500.04/x
  3. Step 3: Cross multiply
    657,306.04x = 907,082.94 × 355,500.04
  4. Step 4: Simplify right side
    657,306.04x = 322,468,021,453.32
  5. Step 5: Solve for x
    x = 322,468,021,453.32/657,306.04
  6. Step 6: Final answer
    x = 490,590.38

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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.