Home / 720,510.60-1,080,787.92-247,189.32

Finding the Fourth Proportional to 720,510.60, 1,080,787.92 and 247,189.32

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Solution

The fourth proportional to 720,510.60, 1,080,787.92 and 247,189.32 is: 370,791.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,510.60 : 1,080,787.92 = 247,189.32 : x
  2. Step 2: Convert to fraction form
    720,510.60/1,080,787.92 = 247,189.32/x
  3. Step 3: Cross multiply
    720,510.60x = 1,080,787.92 × 247,189.32
  4. Step 4: Simplify right side
    720,510.60x = 267,159,231,009.01
  5. Step 5: Solve for x
    x = 267,159,231,009.01/720,510.60
  6. Step 6: Final answer
    x = 370,791.53

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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.