Home / 856,281.74-1,181,618.04-469,019.92

Finding the Fourth Proportional to 856,281.74, 1,181,618.04 and 469,019.92

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Solution

The fourth proportional to 856,281.74, 1,181,618.04 and 469,019.92 is: 647,219.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,281.74 : 1,181,618.04 = 469,019.92 : x
  2. Step 2: Convert to fraction form
    856,281.74/1,181,618.04 = 469,019.92/x
  3. Step 3: Cross multiply
    856,281.74x = 1,181,618.04 × 469,019.92
  4. Step 4: Simplify right side
    856,281.74x = 554,202,398,591.36
  5. Step 5: Solve for x
    x = 554,202,398,591.36/856,281.74
  6. Step 6: Final answer
    x = 647,219.69

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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.