Home / 950,084.78-1,311,138.22-542,178.50

Finding the Fourth Proportional to 950,084.78, 1,311,138.22 and 542,178.50

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Solution

The fourth proportional to 950,084.78, 1,311,138.22 and 542,178.50 is: 748,218.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,084.78 : 1,311,138.22 = 542,178.50 : x
  2. Step 2: Convert to fraction form
    950,084.78/1,311,138.22 = 542,178.50/x
  3. Step 3: Cross multiply
    950,084.78x = 1,311,138.22 × 542,178.50
  4. Step 4: Simplify right side
    950,084.78x = 710,870,955,334.67
  5. Step 5: Solve for x
    x = 710,870,955,334.67/950,084.78
  6. Step 6: Final answer
    x = 748,218.44

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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.