Home / 658,708.96-987,301.02-302,976.40

Finding the Fourth Proportional to 658,708.96, 987,301.02 and 302,976.40

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Solution

The fourth proportional to 658,708.96, 987,301.02 and 302,976.40 is: 454,113.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,708.96 : 987,301.02 = 302,976.40 : x
  2. Step 2: Convert to fraction form
    658,708.96/987,301.02 = 302,976.40/x
  3. Step 3: Cross multiply
    658,708.96x = 987,301.02 × 302,976.40
  4. Step 4: Simplify right side
    658,708.96x = 299,128,906,287.68
  5. Step 5: Solve for x
    x = 299,128,906,287.68/658,708.96
  6. Step 6: Final answer
    x = 454,113.92

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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.