Home / 807,720.30-1,209,247.65-492,792.30

Finding the Fourth Proportional to 807,720.30, 1,209,247.65 and 492,792.30

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Solution

The fourth proportional to 807,720.30, 1,209,247.65 and 492,792.30 is: 737,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,720.30 : 1,209,247.65 = 492,792.30 : x
  2. Step 2: Convert to fraction form
    807,720.30/1,209,247.65 = 492,792.30/x
  3. Step 3: Cross multiply
    807,720.30x = 1,209,247.65 × 492,792.30
  4. Step 4: Simplify right side
    807,720.30x = 595,907,930,713.10
  5. Step 5: Solve for x
    x = 595,907,930,713.10/807,720.30
  6. Step 6: Final answer
    x = 737,765.20

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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.