Home / 829,898.80-1,244,848.20-511,034.20

Finding the Fourth Proportional to 829,898.80, 1,244,848.20 and 511,034.20

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Solution

The fourth proportional to 829,898.80, 1,244,848.20 and 511,034.20 is: 766,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,898.80 : 1,244,848.20 = 511,034.20 : x
  2. Step 2: Convert to fraction form
    829,898.80/1,244,848.20 = 511,034.20/x
  3. Step 3: Cross multiply
    829,898.80x = 1,244,848.20 × 511,034.20
  4. Step 4: Simplify right side
    829,898.80x = 636,160,004,008.44
  5. Step 5: Solve for x
    x = 636,160,004,008.44/829,898.80
  6. Step 6: Final answer
    x = 766,551.30

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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.