Home / 917,808.80-1,376,713.20-707,856.80

Finding the Fourth Proportional to 917,808.80, 1,376,713.20 and 707,856.80

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Solution

The fourth proportional to 917,808.80, 1,376,713.20 and 707,856.80 is: 1,061,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,808.80 : 1,376,713.20 = 707,856.80 : x
  2. Step 2: Convert to fraction form
    917,808.80/1,376,713.20 = 707,856.80/x
  3. Step 3: Cross multiply
    917,808.80x = 1,376,713.20 × 707,856.80
  4. Step 4: Simplify right side
    917,808.80x = 974,515,800,269.76
  5. Step 5: Solve for x
    x = 974,515,800,269.76/917,808.80
  6. Step 6: Final answer
    x = 1,061,785.20

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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.