Home / 752,921.64-1,039,033.56-413,411.76

Finding the Fourth Proportional to 752,921.64, 1,039,033.56 and 413,411.76

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Solution

The fourth proportional to 752,921.64, 1,039,033.56 and 413,411.76 is: 570,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,921.64 : 1,039,033.56 = 413,411.76 : x
  2. Step 2: Convert to fraction form
    752,921.64/1,039,033.56 = 413,411.76/x
  3. Step 3: Cross multiply
    752,921.64x = 1,039,033.56 × 413,411.76
  4. Step 4: Simplify right side
    752,921.64x = 429,548,692,738.67
  5. Step 5: Solve for x
    x = 429,548,692,738.67/752,921.64
  6. Step 6: Final answer
    x = 570,509.16

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1.5x scale

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.