Home / 987,668.60-1,480,359.29-454,069.76

Finding the Fourth Proportional to 987,668.60, 1,480,359.29 and 454,069.76

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Solution

The fourth proportional to 987,668.60, 1,480,359.29 and 454,069.76 is: 680,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,668.60 : 1,480,359.29 = 454,069.76 : x
  2. Step 2: Convert to fraction form
    987,668.60/1,480,359.29 = 454,069.76/x
  3. Step 3: Cross multiply
    987,668.60x = 1,480,359.29 × 454,069.76
  4. Step 4: Simplify right side
    987,668.60x = 672,186,388,954.62
  5. Step 5: Solve for x
    x = 672,186,388,954.62/987,668.60
  6. Step 6: Final answer
    x = 680,578.88

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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.