Home / 728,140.10-1,092,034.90-222,705.50

Finding the Fourth Proportional to 728,140.10, 1,092,034.90 and 222,705.50

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Solution

The fourth proportional to 728,140.10, 1,092,034.90 and 222,705.50 is: 334,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,140.10 : 1,092,034.90 = 222,705.50 : x
  2. Step 2: Convert to fraction form
    728,140.10/1,092,034.90 = 222,705.50/x
  3. Step 3: Cross multiply
    728,140.10x = 1,092,034.90 × 222,705.50
  4. Step 4: Simplify right side
    728,140.10x = 243,202,178,421.95
  5. Step 5: Solve for x
    x = 243,202,178,421.95/728,140.10
  6. Step 6: Final answer
    x = 334,004.65

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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.