Home / 694,015.80-1,041,023.70-339,257.40

Finding the Fourth Proportional to 694,015.80, 1,041,023.70 and 339,257.40

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Solution

The fourth proportional to 694,015.80, 1,041,023.70 and 339,257.40 is: 508,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,015.80 : 1,041,023.70 = 339,257.40 : x
  2. Step 2: Convert to fraction form
    694,015.80/1,041,023.70 = 339,257.40/x
  3. Step 3: Cross multiply
    694,015.80x = 1,041,023.70 × 339,257.40
  4. Step 4: Simplify right side
    694,015.80x = 353,174,993,800.38
  5. Step 5: Solve for x
    x = 353,174,993,800.38/694,015.80
  6. Step 6: Final answer
    x = 508,886.10

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Similar ratio
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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.