Home / 671,177.54-1,006,364.74-455,301.55

Finding the Fourth Proportional to 671,177.54, 1,006,364.74 and 455,301.55

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Solution

The fourth proportional to 671,177.54, 1,006,364.74 and 455,301.55 is: 682,679.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,177.54 : 1,006,364.74 = 455,301.55 : x
  2. Step 2: Convert to fraction form
    671,177.54/1,006,364.74 = 455,301.55/x
  3. Step 3: Cross multiply
    671,177.54x = 1,006,364.74 × 455,301.55
  4. Step 4: Simplify right side
    671,177.54x = 458,199,425,987.35
  5. Step 5: Solve for x
    x = 458,199,425,987.35/671,177.54
  6. Step 6: Final answer
    x = 682,679.92

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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.