Home / 832,505.40-1,248,758.10-300,043.80

Finding the Fourth Proportional to 832,505.40, 1,248,758.10 and 300,043.80

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Solution

The fourth proportional to 832,505.40, 1,248,758.10 and 300,043.80 is: 450,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,505.40 : 1,248,758.10 = 300,043.80 : x
  2. Step 2: Convert to fraction form
    832,505.40/1,248,758.10 = 300,043.80/x
  3. Step 3: Cross multiply
    832,505.40x = 1,248,758.10 × 300,043.80
  4. Step 4: Simplify right side
    832,505.40x = 374,682,125,604.78
  5. Step 5: Solve for x
    x = 374,682,125,604.78/832,505.40
  6. Step 6: Final answer
    x = 450,065.70

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Similar ratio
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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.