Home / 717,538.52-1,076,440-296,847.20

Finding the Fourth Proportional to 717,538.52, 1,076,440 and 296,847.20

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Solution

The fourth proportional to 717,538.52, 1,076,440 and 296,847.20 is: 445,325.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,538.52 : 1,076,440 = 296,847.20 : x
  2. Step 2: Convert to fraction form
    717,538.52/1,076,440 = 296,847.20/x
  3. Step 3: Cross multiply
    717,538.52x = 1,076,440 × 296,847.20
  4. Step 4: Simplify right side
    717,538.52x = 319,538,199,968
  5. Step 5: Solve for x
    x = 319,538,199,968/717,538.52
  6. Step 6: Final answer
    x = 445,325.50

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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.