Home / 987,161.60-1,480,304.64-454,553.60

Finding the Fourth Proportional to 987,161.60, 1,480,304.64 and 454,553.60

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Solution

The fourth proportional to 987,161.60, 1,480,304.64 and 454,553.60 is: 681,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,161.60 : 1,480,304.64 = 454,553.60 : x
  2. Step 2: Convert to fraction form
    987,161.60/1,480,304.64 = 454,553.60/x
  3. Step 3: Cross multiply
    987,161.60x = 1,480,304.64 × 454,553.60
  4. Step 4: Simplify right side
    987,161.60x = 672,877,803,208.70
  5. Step 5: Solve for x
    x = 672,877,803,208.70/987,161.60
  6. Step 6: Final answer
    x = 681,628.83

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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.