Home / 830,306.70-1,145,932.11-467,800.52

Finding the Fourth Proportional to 830,306.70, 1,145,932.11 and 467,800.52

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Solution

The fourth proportional to 830,306.70, 1,145,932.11 and 467,800.52 is: 645,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,306.70 : 1,145,932.11 = 467,800.52 : x
  2. Step 2: Convert to fraction form
    830,306.70/1,145,932.11 = 467,800.52/x
  3. Step 3: Cross multiply
    830,306.70x = 1,145,932.11 × 467,800.52
  4. Step 4: Simplify right side
    830,306.70x = 536,067,631,213.04
  5. Step 5: Solve for x
    x = 536,067,631,213.04/830,306.70
  6. Step 6: Final answer
    x = 645,626.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.