Home / 753,239.66-1,039,217.82-426,508.01

Finding the Fourth Proportional to 753,239.66, 1,039,217.82 and 426,508.01

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Solution

The fourth proportional to 753,239.66, 1,039,217.82 and 426,508.01 is: 588,437.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,239.66 : 1,039,217.82 = 426,508.01 : x
  2. Step 2: Convert to fraction form
    753,239.66/1,039,217.82 = 426,508.01/x
  3. Step 3: Cross multiply
    753,239.66x = 1,039,217.82 × 426,508.01
  4. Step 4: Simplify right side
    753,239.66x = 443,234,724,830.24
  5. Step 5: Solve for x
    x = 443,234,724,830.24/753,239.66
  6. Step 6: Final answer
    x = 588,437.85

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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.