Home / 752,941.10-1,129,172.15-247,385.56

Finding the Fourth Proportional to 752,941.10, 1,129,172.15 and 247,385.56

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Solution

The fourth proportional to 752,941.10, 1,129,172.15 and 247,385.56 is: 370,999.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,941.10 : 1,129,172.15 = 247,385.56 : x
  2. Step 2: Convert to fraction form
    752,941.10/1,129,172.15 = 247,385.56/x
  3. Step 3: Cross multiply
    752,941.10x = 1,129,172.15 × 247,385.56
  4. Step 4: Simplify right side
    752,941.10x = 279,340,884,664.15
  5. Step 5: Solve for x
    x = 279,340,884,664.15/752,941.10
  6. Step 6: Final answer
    x = 370,999.65

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Double scale
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1.5x scale

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.