Home / 710,082.87-979,921.04-404,144.25

Finding the Fourth Proportional to 710,082.87, 979,921.04 and 404,144.25

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Solution

The fourth proportional to 710,082.87, 979,921.04 and 404,144.25 is: 557,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,082.87 : 979,921.04 = 404,144.25 : x
  2. Step 2: Convert to fraction form
    710,082.87/979,921.04 = 404,144.25/x
  3. Step 3: Cross multiply
    710,082.87x = 979,921.04 × 404,144.25
  4. Step 4: Simplify right side
    710,082.87x = 396,029,453,770.02
  5. Step 5: Solve for x
    x = 396,029,453,770.02/710,082.87
  6. Step 6: Final answer
    x = 557,722.87

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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.