Home / 766,799.70-1,150,199.55-346,895.70

Finding the Fourth Proportional to 766,799.70, 1,150,199.55 and 346,895.70

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Solution

The fourth proportional to 766,799.70, 1,150,199.55 and 346,895.70 is: 520,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,799.70 : 1,150,199.55 = 346,895.70 : x
  2. Step 2: Convert to fraction form
    766,799.70/1,150,199.55 = 346,895.70/x
  3. Step 3: Cross multiply
    766,799.70x = 1,150,199.55 × 346,895.70
  4. Step 4: Simplify right side
    766,799.70x = 398,999,278,036.94
  5. Step 5: Solve for x
    x = 398,999,278,036.94/766,799.70
  6. Step 6: Final answer
    x = 520,343.55

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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.