Home / 742,825.16-1,025,162.18-420,592.04

Finding the Fourth Proportional to 742,825.16, 1,025,162.18 and 420,592.04

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Solution

The fourth proportional to 742,825.16, 1,025,162.18 and 420,592.04 is: 580,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,825.16 : 1,025,162.18 = 420,592.04 : x
  2. Step 2: Convert to fraction form
    742,825.16/1,025,162.18 = 420,592.04/x
  3. Step 3: Cross multiply
    742,825.16x = 1,025,162.18 × 420,592.04
  4. Step 4: Simplify right side
    742,825.16x = 431,175,052,617.05
  5. Step 5: Solve for x
    x = 431,175,052,617.05/742,825.16
  6. Step 6: Final answer
    x = 580,452.95

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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.