Home / 671,408.01-1,007,122.68-373,780.35

Finding the Fourth Proportional to 671,408.01, 1,007,122.68 and 373,780.35

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Solution

The fourth proportional to 671,408.01, 1,007,122.68 and 373,780.35 is: 560,676.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,408.01 : 1,007,122.68 = 373,780.35 : x
  2. Step 2: Convert to fraction form
    671,408.01/1,007,122.68 = 373,780.35/x
  3. Step 3: Cross multiply
    671,408.01x = 1,007,122.68 × 373,780.35
  4. Step 4: Simplify right side
    671,408.01x = 376,442,667,823.34
  5. Step 5: Solve for x
    x = 376,442,667,823.34/671,408.01
  6. Step 6: Final answer
    x = 560,676.46

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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.