Home / 688,404.92-1,032,374.48-261,839.48

Finding the Fourth Proportional to 688,404.92, 1,032,374.48 and 261,839.48

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Solution

The fourth proportional to 688,404.92, 1,032,374.48 and 261,839.48 is: 392,670.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,404.92 : 1,032,374.48 = 261,839.48 : x
  2. Step 2: Convert to fraction form
    688,404.92/1,032,374.48 = 261,839.48/x
  3. Step 3: Cross multiply
    688,404.92x = 1,032,374.48 × 261,839.48
  4. Step 4: Simplify right side
    688,404.92x = 270,316,397,008.47
  5. Step 5: Solve for x
    x = 270,316,397,008.47/688,404.92
  6. Step 6: Final answer
    x = 392,670.63

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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.