Home / 804,921.90-1,207,382.85-538,982.70

Finding the Fourth Proportional to 804,921.90, 1,207,382.85 and 538,982.70

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Solution

The fourth proportional to 804,921.90, 1,207,382.85 and 538,982.70 is: 808,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,921.90 : 1,207,382.85 = 538,982.70 : x
  2. Step 2: Convert to fraction form
    804,921.90/1,207,382.85 = 538,982.70/x
  3. Step 3: Cross multiply
    804,921.90x = 1,207,382.85 × 538,982.70
  4. Step 4: Simplify right side
    804,921.90x = 650,758,468,426.70
  5. Step 5: Solve for x
    x = 650,758,468,426.70/804,921.90
  6. Step 6: Final answer
    x = 808,474.05

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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.