Home / 852,072.28-1,278,283.38-346,631.98

Finding the Fourth Proportional to 852,072.28, 1,278,283.38 and 346,631.98

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Solution

The fourth proportional to 852,072.28, 1,278,283.38 and 346,631.98 is: 520,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,072.28 : 1,278,283.38 = 346,631.98 : x
  2. Step 2: Convert to fraction form
    852,072.28/1,278,283.38 = 346,631.98/x
  3. Step 3: Cross multiply
    852,072.28x = 1,278,283.38 × 346,631.98
  4. Step 4: Simplify right side
    852,072.28x = 443,093,899,010.49
  5. Step 5: Solve for x
    x = 443,093,899,010.49/852,072.28
  6. Step 6: Final answer
    x = 520,019.15

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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.