Home / 908,775.68-1,363,770.24-317,799.68

Finding the Fourth Proportional to 908,775.68, 1,363,770.24 and 317,799.68

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Solution

The fourth proportional to 908,775.68, 1,363,770.24 and 317,799.68 is: 476,911.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,775.68 : 1,363,770.24 = 317,799.68 : x
  2. Step 2: Convert to fraction form
    908,775.68/1,363,770.24 = 317,799.68/x
  3. Step 3: Cross multiply
    908,775.68x = 1,363,770.24 × 317,799.68
  4. Step 4: Simplify right side
    908,775.68x = 433,405,745,865.52
  5. Step 5: Solve for x
    x = 433,405,745,865.52/908,775.68
  6. Step 6: Final answer
    x = 476,911.69

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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.