Home / 752,501.27-1,128,271.70-496,037.88

Finding the Fourth Proportional to 752,501.27, 1,128,271.70 and 496,037.88

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Solution

The fourth proportional to 752,501.27, 1,128,271.70 and 496,037.88 is: 743,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,501.27 : 1,128,271.70 = 496,037.88 : x
  2. Step 2: Convert to fraction form
    752,501.27/1,128,271.70 = 496,037.88/x
  3. Step 3: Cross multiply
    752,501.27x = 1,128,271.70 × 496,037.88
  4. Step 4: Simplify right side
    752,501.27x = 559,665,503,372.09
  5. Step 5: Solve for x
    x = 559,665,503,372.09/752,501.27
  6. Step 6: Final answer
    x = 743,740.28

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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.