Home / 987,462.92-1,480,074.24-453,881.36

Finding the Fourth Proportional to 987,462.92, 1,480,074.24 and 453,881.36

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Solution

The fourth proportional to 987,462.92, 1,480,074.24 and 453,881.36 is: 680,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,462.92 : 1,480,074.24 = 453,881.36 : x
  2. Step 2: Convert to fraction form
    987,462.92/1,480,074.24 = 453,881.36/x
  3. Step 3: Cross multiply
    987,462.92x = 1,480,074.24 × 453,881.36
  4. Step 4: Simplify right side
    987,462.92x = 671,778,108,952.17
  5. Step 5: Solve for x
    x = 671,778,108,952.17/987,462.92
  6. Step 6: Final answer
    x = 680,307.17

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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.