Home / 852,561.17-1,278,696.41-283,877.78

Finding the Fourth Proportional to 852,561.17, 1,278,696.41 and 283,877.78

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Solution

The fourth proportional to 852,561.17, 1,278,696.41 and 283,877.78 is: 425,768.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,561.17 : 1,278,696.41 = 283,877.78 : x
  2. Step 2: Convert to fraction form
    852,561.17/1,278,696.41 = 283,877.78/x
  3. Step 3: Cross multiply
    852,561.17x = 1,278,696.41 × 283,877.78
  4. Step 4: Simplify right side
    852,561.17x = 362,993,502,503.95
  5. Step 5: Solve for x
    x = 362,993,502,503.95/852,561.17
  6. Step 6: Final answer
    x = 425,768.28

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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.