Home / 735,246.30-1,102,869.45-261,947.10

Finding the Fourth Proportional to 735,246.30, 1,102,869.45 and 261,947.10

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Solution

The fourth proportional to 735,246.30, 1,102,869.45 and 261,947.10 is: 392,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,246.30 : 1,102,869.45 = 261,947.10 : x
  2. Step 2: Convert to fraction form
    735,246.30/1,102,869.45 = 261,947.10/x
  3. Step 3: Cross multiply
    735,246.30x = 1,102,869.45 × 261,947.10
  4. Step 4: Simplify right side
    735,246.30x = 288,893,454,106.10
  5. Step 5: Solve for x
    x = 288,893,454,106.10/735,246.30
  6. Step 6: Final answer
    x = 392,920.65

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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.