Home / 671,531.78-1,007,337.16-191,722.70

Finding the Fourth Proportional to 671,531.78, 1,007,337.16 and 191,722.70

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Solution

The fourth proportional to 671,531.78, 1,007,337.16 and 191,722.70 is: 287,595.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,531.78 : 1,007,337.16 = 191,722.70 : x
  2. Step 2: Convert to fraction form
    671,531.78/1,007,337.16 = 191,722.70/x
  3. Step 3: Cross multiply
    671,531.78x = 1,007,337.16 × 191,722.70
  4. Step 4: Simplify right side
    671,531.78x = 193,129,400,125.53
  5. Step 5: Solve for x
    x = 193,129,400,125.53/671,531.78
  6. Step 6: Final answer
    x = 287,595.32

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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.