Home / 712,376.32-981,096.96-550,635.52

Finding the Fourth Proportional to 712,376.32, 981,096.96 and 550,635.52

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Solution

The fourth proportional to 712,376.32, 981,096.96 and 550,635.52 is: 758,344.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,376.32 : 981,096.96 = 550,635.52 : x
  2. Step 2: Convert to fraction form
    712,376.32/981,096.96 = 550,635.52/x
  3. Step 3: Cross multiply
    712,376.32x = 981,096.96 × 550,635.52
  4. Step 4: Simplify right side
    712,376.32x = 540,226,834,740.02
  5. Step 5: Solve for x
    x = 540,226,834,740.02/712,376.32
  6. Step 6: Final answer
    x = 758,344.74

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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.