Home / 752,472.89-1,128,228.95-496,009.17

Finding the Fourth Proportional to 752,472.89, 1,128,228.95 and 496,009.17

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Solution

The fourth proportional to 752,472.89, 1,128,228.95 and 496,009.17 is: 743,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,472.89 : 1,128,228.95 = 496,009.17 : x
  2. Step 2: Convert to fraction form
    752,472.89/1,128,228.95 = 496,009.17/x
  3. Step 3: Cross multiply
    752,472.89x = 1,128,228.95 × 496,009.17
  4. Step 4: Simplify right side
    752,472.89x = 559,611,906,299.49
  5. Step 5: Solve for x
    x = 559,611,906,299.49/752,472.89
  6. Step 6: Final answer
    x = 743,697.10

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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.