Home / 532,387.67-734,711.05-302,977.86

Finding the Fourth Proportional to 532,387.67, 734,711.05 and 302,977.86

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Solution

The fourth proportional to 532,387.67, 734,711.05 and 302,977.86 is: 418,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,387.67 : 734,711.05 = 302,977.86 : x
  2. Step 2: Convert to fraction form
    532,387.67/734,711.05 = 302,977.86/x
  3. Step 3: Cross multiply
    532,387.67x = 734,711.05 × 302,977.86
  4. Step 4: Simplify right side
    532,387.67x = 222,601,179,270.91
  5. Step 5: Solve for x
    x = 222,601,179,270.91/532,387.67
  6. Step 6: Final answer
    x = 418,118.59

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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.