Home / 720,510.10-1,080,787.02-247,188.76

Finding the Fourth Proportional to 720,510.10, 1,080,787.02 and 247,188.76

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Solution

The fourth proportional to 720,510.10, 1,080,787.02 and 247,188.76 is: 370,790.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,510.10 : 1,080,787.02 = 247,188.76 : x
  2. Step 2: Convert to fraction form
    720,510.10/1,080,787.02 = 247,188.76/x
  3. Step 3: Cross multiply
    720,510.10x = 1,080,787.02 × 247,188.76
  4. Step 4: Simplify right side
    720,510.10x = 267,158,403,297.90
  5. Step 5: Solve for x
    x = 267,158,403,297.90/720,510.10
  6. Step 6: Final answer
    x = 370,790.64

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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.