Home / 690,836.20-1,036,254.30-241,407.70

Finding the Fourth Proportional to 690,836.20, 1,036,254.30 and 241,407.70

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Solution

The fourth proportional to 690,836.20, 1,036,254.30 and 241,407.70 is: 362,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,836.20 : 1,036,254.30 = 241,407.70 : x
  2. Step 2: Convert to fraction form
    690,836.20/1,036,254.30 = 241,407.70/x
  3. Step 3: Cross multiply
    690,836.20x = 1,036,254.30 × 241,407.70
  4. Step 4: Simplify right side
    690,836.20x = 250,159,767,178.11
  5. Step 5: Solve for x
    x = 250,159,767,178.11/690,836.20
  6. Step 6: Final answer
    x = 362,111.55

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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.