Home / 762,911.60-1,052,817.60-431,761.52

Finding the Fourth Proportional to 762,911.60, 1,052,817.60 and 431,761.52

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Solution

The fourth proportional to 762,911.60, 1,052,817.60 and 431,761.52 is: 595,830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,911.60 : 1,052,817.60 = 431,761.52 : x
  2. Step 2: Convert to fraction form
    762,911.60/1,052,817.60 = 431,761.52/x
  3. Step 3: Cross multiply
    762,911.60x = 1,052,817.60 × 431,761.52
  4. Step 4: Simplify right side
    762,911.60x = 454,566,129,890.80
  5. Step 5: Solve for x
    x = 454,566,129,890.80/762,911.60
  6. Step 6: Final answer
    x = 595,830.67

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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.