Home / 762,023.30-1,143,720.22-407,340.50

Finding the Fourth Proportional to 762,023.30, 1,143,720.22 and 407,340.50

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Solution

The fourth proportional to 762,023.30, 1,143,720.22 and 407,340.50 is: 611,377.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,023.30 : 1,143,720.22 = 407,340.50 : x
  2. Step 2: Convert to fraction form
    762,023.30/1,143,720.22 = 407,340.50/x
  3. Step 3: Cross multiply
    762,023.30x = 1,143,720.22 × 407,340.50
  4. Step 4: Simplify right side
    762,023.30x = 465,883,566,274.91
  5. Step 5: Solve for x
    x = 465,883,566,274.91/762,023.30
  6. Step 6: Final answer
    x = 611,377.06

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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.