Home / 827,306.95-1,240,812.60-220,098.55

Finding the Fourth Proportional to 827,306.95, 1,240,812.60 and 220,098.55

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Solution

The fourth proportional to 827,306.95, 1,240,812.60 and 220,098.55 is: 330,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,306.95 : 1,240,812.60 = 220,098.55 : x
  2. Step 2: Convert to fraction form
    827,306.95/1,240,812.60 = 220,098.55/x
  3. Step 3: Cross multiply
    827,306.95x = 1,240,812.60 × 220,098.55
  4. Step 4: Simplify right side
    827,306.95x = 273,101,054,081.73
  5. Step 5: Solve for x
    x = 273,101,054,081.73/827,306.95
  6. Step 6: Final answer
    x = 330,108.50

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1.5x scale

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.