Home / 658,730.43-987,333.03-302,997.87

Finding the Fourth Proportional to 658,730.43, 987,333.03 and 302,997.87

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Solution

The fourth proportional to 658,730.43, 987,333.03 and 302,997.87 is: 454,146.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,730.43 : 987,333.03 = 302,997.87 : x
  2. Step 2: Convert to fraction form
    658,730.43/987,333.03 = 302,997.87/x
  3. Step 3: Cross multiply
    658,730.43x = 987,333.03 × 302,997.87
  4. Step 4: Simplify right side
    658,730.43x = 299,159,805,070.65
  5. Step 5: Solve for x
    x = 299,159,805,070.65/658,730.43
  6. Step 6: Final answer
    x = 454,146.02

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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.