Home / 687,177.64-948,273.13-381,250.77

Finding the Fourth Proportional to 687,177.64, 948,273.13 and 381,250.77

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Solution

The fourth proportional to 687,177.64, 948,273.13 and 381,250.77 is: 526,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,177.64 : 948,273.13 = 381,250.77 : x
  2. Step 2: Convert to fraction form
    687,177.64/948,273.13 = 381,250.77/x
  3. Step 3: Cross multiply
    687,177.64x = 948,273.13 × 381,250.77
  4. Step 4: Simplify right side
    687,177.64x = 361,529,860,982.81
  5. Step 5: Solve for x
    x = 361,529,860,982.81/687,177.64
  6. Step 6: Final answer
    x = 526,108.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.