Home / 658,309.28-986,717.16-302,588.24

Finding the Fourth Proportional to 658,309.28, 986,717.16 and 302,588.24

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Solution

The fourth proportional to 658,309.28, 986,717.16 and 302,588.24 is: 453,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,309.28 : 986,717.16 = 302,588.24 : x
  2. Step 2: Convert to fraction form
    658,309.28/986,717.16 = 302,588.24/x
  3. Step 3: Cross multiply
    658,309.28x = 986,717.16 × 302,588.24
  4. Step 4: Simplify right side
    658,309.28x = 298,569,008,822.20
  5. Step 5: Solve for x
    x = 298,569,008,822.20/658,309.28
  6. Step 6: Final answer
    x = 453,539.12

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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.