Home / 671,261.60-1,006,490.28-455,385.44

Finding the Fourth Proportional to 671,261.60, 1,006,490.28 and 455,385.44

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Solution

The fourth proportional to 671,261.60, 1,006,490.28 and 455,385.44 is: 682,805.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,261.60 : 1,006,490.28 = 455,385.44 : x
  2. Step 2: Convert to fraction form
    671,261.60/1,006,490.28 = 455,385.44/x
  3. Step 3: Cross multiply
    671,261.60x = 1,006,490.28 × 455,385.44
  4. Step 4: Simplify right side
    671,261.60x = 458,341,019,013.52
  5. Step 5: Solve for x
    x = 458,341,019,013.52/671,261.60
  6. Step 6: Final answer
    x = 682,805.36

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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.