Home / 752,274.95-1,128,594.72-432,631.40

Finding the Fourth Proportional to 752,274.95, 1,128,594.72 and 432,631.40

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Solution

The fourth proportional to 752,274.95, 1,128,594.72 and 432,631.40 is: 649,051.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,274.95 : 1,128,594.72 = 432,631.40 : x
  2. Step 2: Convert to fraction form
    752,274.95/1,128,594.72 = 432,631.40/x
  3. Step 3: Cross multiply
    752,274.95x = 1,128,594.72 × 432,631.40
  4. Step 4: Simplify right side
    752,274.95x = 488,265,508,103.23
  5. Step 5: Solve for x
    x = 488,265,508,103.23/752,274.95
  6. Step 6: Final answer
    x = 649,051.93

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Double scale
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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.