Home / 852,178.46-1,278,266.16-496,943.36

Finding the Fourth Proportional to 852,178.46, 1,278,266.16 and 496,943.36

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Solution

The fourth proportional to 852,178.46, 1,278,266.16 and 496,943.36 is: 745,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,178.46 : 1,278,266.16 = 496,943.36 : x
  2. Step 2: Convert to fraction form
    852,178.46/1,278,266.16 = 496,943.36/x
  3. Step 3: Cross multiply
    852,178.46x = 1,278,266.16 × 496,943.36
  4. Step 4: Simplify right side
    852,178.46x = 635,225,880,524.70
  5. Step 5: Solve for x
    x = 635,225,880,524.70/852,178.46
  6. Step 6: Final answer
    x = 745,414.15

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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.