Home / 511,246.20-766,869.30-482,215.80

Finding the Fourth Proportional to 511,246.20, 766,869.30 and 482,215.80

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Solution

The fourth proportional to 511,246.20, 766,869.30 and 482,215.80 is: 723,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,246.20 : 766,869.30 = 482,215.80 : x
  2. Step 2: Convert to fraction form
    511,246.20/766,869.30 = 482,215.80/x
  3. Step 3: Cross multiply
    511,246.20x = 766,869.30 × 482,215.80
  4. Step 4: Simplify right side
    511,246.20x = 369,796,492,994.94
  5. Step 5: Solve for x
    x = 369,796,492,994.94/511,246.20
  6. Step 6: Final answer
    x = 723,323.70

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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.