Home / 480,306.50-718,965.06-302,439.83

Finding the Fourth Proportional to 480,306.50, 718,965.06 and 302,439.83

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Solution

The fourth proportional to 480,306.50, 718,965.06 and 302,439.83 is: 452,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,306.50 : 718,965.06 = 302,439.83 : x
  2. Step 2: Convert to fraction form
    480,306.50/718,965.06 = 302,439.83/x
  3. Step 3: Cross multiply
    480,306.50x = 718,965.06 × 302,439.83
  4. Step 4: Simplify right side
    480,306.50x = 217,443,672,319.75
  5. Step 5: Solve for x
    x = 217,443,672,319.75/480,306.50
  6. Step 6: Final answer
    x = 452,718.58

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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.