Home / 717,753.30-1,076,543.55-296,985.30

Finding the Fourth Proportional to 717,753.30, 1,076,543.55 and 296,985.30

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Solution

The fourth proportional to 717,753.30, 1,076,543.55 and 296,985.30 is: 445,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,753.30 : 1,076,543.55 = 296,985.30 : x
  2. Step 2: Convert to fraction form
    717,753.30/1,076,543.55 = 296,985.30/x
  3. Step 3: Cross multiply
    717,753.30x = 1,076,543.55 × 296,985.30
  4. Step 4: Simplify right side
    717,753.30x = 319,717,609,159.82
  5. Step 5: Solve for x
    x = 319,717,609,159.82/717,753.30
  6. Step 6: Final answer
    x = 445,442.20

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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.