Home / 658,447.74-986,909.19-302,715.18

Finding the Fourth Proportional to 658,447.74, 986,909.19 and 302,715.18

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Solution

The fourth proportional to 658,447.74, 986,909.19 and 302,715.18 is: 453,722.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,447.74 : 986,909.19 = 302,715.18 : x
  2. Step 2: Convert to fraction form
    658,447.74/986,909.19 = 302,715.18/x
  3. Step 3: Cross multiply
    658,447.74x = 986,909.19 × 302,715.18
  4. Step 4: Simplify right side
    658,447.74x = 298,752,393,094.50
  5. Step 5: Solve for x
    x = 298,752,393,094.50/658,447.74
  6. Step 6: Final answer
    x = 453,722.25

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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.