Home / 810,642.92-1,216,210.46-574,442.60

Finding the Fourth Proportional to 810,642.92, 1,216,210.46 and 574,442.60

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Solution

The fourth proportional to 810,642.92, 1,216,210.46 and 574,442.60 is: 861,838.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,642.92 : 1,216,210.46 = 574,442.60 : x
  2. Step 2: Convert to fraction form
    810,642.92/1,216,210.46 = 574,442.60/x
  3. Step 3: Cross multiply
    810,642.92x = 1,216,210.46 × 574,442.60
  4. Step 4: Simplify right side
    810,642.92x = 698,643,098,789.60
  5. Step 5: Solve for x
    x = 698,643,098,789.60/810,642.92
  6. Step 6: Final answer
    x = 861,838.28

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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.