Home / 987,663.84-1,480,375.80-454,083.36

Finding the Fourth Proportional to 987,663.84, 1,480,375.80 and 454,083.36

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Solution

The fourth proportional to 987,663.84, 1,480,375.80 and 454,083.36 is: 680,610.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,663.84 : 1,480,375.80 = 454,083.36 : x
  2. Step 2: Convert to fraction form
    987,663.84/1,480,375.80 = 454,083.36/x
  3. Step 3: Cross multiply
    987,663.84x = 1,480,375.80 × 454,083.36
  4. Step 4: Simplify right side
    987,663.84x = 672,214,017,326.69
  5. Step 5: Solve for x
    x = 672,214,017,326.69/987,663.84
  6. Step 6: Final answer
    x = 680,610.13

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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.