Home / 507,398.20-760,565.94-170,356.12

Finding the Fourth Proportional to 507,398.20, 760,565.94 and 170,356.12

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Solution

The fourth proportional to 507,398.20, 760,565.94 and 170,356.12 is: 255,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,398.20 : 760,565.94 = 170,356.12 : x
  2. Step 2: Convert to fraction form
    507,398.20/760,565.94 = 170,356.12/x
  3. Step 3: Cross multiply
    507,398.20x = 760,565.94 × 170,356.12
  4. Step 4: Simplify right side
    507,398.20x = 129,567,062,542.55
  5. Step 5: Solve for x
    x = 129,567,062,542.55/507,398.20
  6. Step 6: Final answer
    x = 255,355.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.