Home / 658,153.57-986,484.03-302,432.55

Finding the Fourth Proportional to 658,153.57, 986,484.03 and 302,432.55

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Solution

The fourth proportional to 658,153.57, 986,484.03 and 302,432.55 is: 453,305.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,153.57 : 986,484.03 = 302,432.55 : x
  2. Step 2: Convert to fraction form
    658,153.57/986,484.03 = 302,432.55/x
  3. Step 3: Cross multiply
    658,153.57x = 986,484.03 × 302,432.55
  4. Step 4: Simplify right side
    658,153.57x = 298,344,875,794.76
  5. Step 5: Solve for x
    x = 298,344,875,794.76/658,153.57
  6. Step 6: Final answer
    x = 453,305.87

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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.