Home / 635,429.52-876,895.68-363,500.40

Finding the Fourth Proportional to 635,429.52, 876,895.68 and 363,500.40

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Solution

The fourth proportional to 635,429.52, 876,895.68 and 363,500.40 is: 501,632.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,429.52 : 876,895.68 = 363,500.40 : x
  2. Step 2: Convert to fraction form
    635,429.52/876,895.68 = 363,500.40/x
  3. Step 3: Cross multiply
    635,429.52x = 876,895.68 × 363,500.40
  4. Step 4: Simplify right side
    635,429.52x = 318,751,930,438.27
  5. Step 5: Solve for x
    x = 318,751,930,438.27/635,429.52
  6. Step 6: Final answer
    x = 501,632.24

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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.