Home / 762,967.62-1,052,898.21-423,435.87

Finding the Fourth Proportional to 762,967.62, 1,052,898.21 and 423,435.87

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Solution

The fourth proportional to 762,967.62, 1,052,898.21 and 423,435.87 is: 584,343.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,967.62 : 1,052,898.21 = 423,435.87 : x
  2. Step 2: Convert to fraction form
    762,967.62/1,052,898.21 = 423,435.87/x
  3. Step 3: Cross multiply
    762,967.62x = 1,052,898.21 × 423,435.87
  4. Step 4: Simplify right side
    762,967.62x = 445,834,869,572.79
  5. Step 5: Solve for x
    x = 445,834,869,572.79/762,967.62
  6. Step 6: Final answer
    x = 584,343.11

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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.