Home / 677,676.70-1,016,515.05-373,246.30

Finding the Fourth Proportional to 677,676.70, 1,016,515.05 and 373,246.30

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Solution

The fourth proportional to 677,676.70, 1,016,515.05 and 373,246.30 is: 559,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,676.70 : 1,016,515.05 = 373,246.30 : x
  2. Step 2: Convert to fraction form
    677,676.70/1,016,515.05 = 373,246.30/x
  3. Step 3: Cross multiply
    677,676.70x = 1,016,515.05 × 373,246.30
  4. Step 4: Simplify right side
    677,676.70x = 379,410,481,306.82
  5. Step 5: Solve for x
    x = 379,410,481,306.82/677,676.70
  6. Step 6: Final answer
    x = 559,869.45

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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.