Home / 807,645.30-1,209,135.15-492,717.30

Finding the Fourth Proportional to 807,645.30, 1,209,135.15 and 492,717.30

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Solution

The fourth proportional to 807,645.30, 1,209,135.15 and 492,717.30 is: 737,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,645.30 : 1,209,135.15 = 492,717.30 : x
  2. Step 2: Convert to fraction form
    807,645.30/1,209,135.15 = 492,717.30/x
  3. Step 3: Cross multiply
    807,645.30x = 1,209,135.15 × 492,717.30
  4. Step 4: Simplify right side
    807,645.30x = 595,761,806,443.10
  5. Step 5: Solve for x
    x = 595,761,806,443.10/807,645.30
  6. Step 6: Final answer
    x = 737,652.79

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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.