Home / 690,856.20-1,036,284.30-241,427.70

Finding the Fourth Proportional to 690,856.20, 1,036,284.30 and 241,427.70

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Solution

The fourth proportional to 690,856.20, 1,036,284.30 and 241,427.70 is: 362,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,856.20 : 1,036,284.30 = 241,427.70 : x
  2. Step 2: Convert to fraction form
    690,856.20/1,036,284.30 = 241,427.70/x
  3. Step 3: Cross multiply
    690,856.20x = 1,036,284.30 × 241,427.70
  4. Step 4: Simplify right side
    690,856.20x = 250,187,735,095.11
  5. Step 5: Solve for x
    x = 250,187,735,095.11/690,856.20
  6. Step 6: Final answer
    x = 362,141.55

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Double scale
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Similar ratio
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1.5x scale

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.