Home / 752,151.80-1,037,963.34-407,986.87

Finding the Fourth Proportional to 752,151.80, 1,037,963.34 and 407,986.87

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Solution

The fourth proportional to 752,151.80, 1,037,963.34 and 407,986.87 is: 563,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,151.80 : 1,037,963.34 = 407,986.87 : x
  2. Step 2: Convert to fraction form
    752,151.80/1,037,963.34 = 407,986.87/x
  3. Step 3: Cross multiply
    752,151.80x = 1,037,963.34 × 407,986.87
  4. Step 4: Simplify right side
    752,151.80x = 423,475,409,071.53
  5. Step 5: Solve for x
    x = 423,475,409,071.53/752,151.80
  6. Step 6: Final answer
    x = 563,018.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.