Home / 876,565.86-1,209,661.38-484,099.53

Finding the Fourth Proportional to 876,565.86, 1,209,661.38 and 484,099.53

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Solution

The fourth proportional to 876,565.86, 1,209,661.38 and 484,099.53 is: 668,057.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,565.86 : 1,209,661.38 = 484,099.53 : x
  2. Step 2: Convert to fraction form
    876,565.86/1,209,661.38 = 484,099.53/x
  3. Step 3: Cross multiply
    876,565.86x = 1,209,661.38 × 484,099.53
  4. Step 4: Simplify right side
    876,565.86x = 585,596,505,517.15
  5. Step 5: Solve for x
    x = 585,596,505,517.15/876,565.86
  6. Step 6: Final answer
    x = 668,057.62

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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.