Home / 752,159.88-1,127,178.95-415,352.16

Finding the Fourth Proportional to 752,159.88, 1,127,178.95 and 415,352.16

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Solution

The fourth proportional to 752,159.88, 1,127,178.95 and 415,352.16 is: 622,442.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,159.88 : 1,127,178.95 = 415,352.16 : x
  2. Step 2: Convert to fraction form
    752,159.88/1,127,178.95 = 415,352.16/x
  3. Step 3: Cross multiply
    752,159.88x = 1,127,178.95 × 415,352.16
  4. Step 4: Simplify right side
    752,159.88x = 468,176,209,512.27
  5. Step 5: Solve for x
    x = 468,176,209,512.27/752,159.88
  6. Step 6: Final answer
    x = 622,442.41

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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.