Home / 658,178.38-986,521.02-302,457.43

Finding the Fourth Proportional to 658,178.38, 986,521.02 and 302,457.43

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Solution

The fourth proportional to 658,178.38, 986,521.02 and 302,457.43 is: 453,343.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,178.38 : 986,521.02 = 302,457.43 : x
  2. Step 2: Convert to fraction form
    658,178.38/986,521.02 = 302,457.43/x
  3. Step 3: Cross multiply
    658,178.38x = 986,521.02 × 302,457.43
  4. Step 4: Simplify right side
    658,178.38x = 298,380,612,350.18
  5. Step 5: Solve for x
    x = 298,380,612,350.18/658,178.38
  6. Step 6: Final answer
    x = 453,343.08

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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.