Home / 753,414.49-1,039,730.75-409,250.31

Finding the Fourth Proportional to 753,414.49, 1,039,730.75 and 409,250.31

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Solution

The fourth proportional to 753,414.49, 1,039,730.75 and 409,250.31 is: 564,775.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,414.49 : 1,039,730.75 = 409,250.31 : x
  2. Step 2: Convert to fraction form
    753,414.49/1,039,730.75 = 409,250.31/x
  3. Step 3: Cross multiply
    753,414.49x = 1,039,730.75 × 409,250.31
  4. Step 4: Simplify right side
    753,414.49x = 425,510,131,754.03
  5. Step 5: Solve for x
    x = 425,510,131,754.03/753,414.49
  6. Step 6: Final answer
    x = 564,775.61

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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.