Home / 950,085.78-1,311,139.60-542,179.50

Finding the Fourth Proportional to 950,085.78, 1,311,139.60 and 542,179.50

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Solution

The fourth proportional to 950,085.78, 1,311,139.60 and 542,179.50 is: 748,219.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,085.78 : 1,311,139.60 = 542,179.50 : x
  2. Step 2: Convert to fraction form
    950,085.78/1,311,139.60 = 542,179.50/x
  3. Step 3: Cross multiply
    950,085.78x = 1,311,139.60 × 542,179.50
  4. Step 4: Simplify right side
    950,085.78x = 710,873,012,758.20
  5. Step 5: Solve for x
    x = 710,873,012,758.20/950,085.78
  6. Step 6: Final answer
    x = 748,219.82

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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.