Home / 871,317.38-1,306,666.77-255,649.52

Finding the Fourth Proportional to 871,317.38, 1,306,666.77 and 255,649.52

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Solution

The fourth proportional to 871,317.38, 1,306,666.77 and 255,649.52 is: 383,383.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,317.38 : 1,306,666.77 = 255,649.52 : x
  2. Step 2: Convert to fraction form
    871,317.38/1,306,666.77 = 255,649.52/x
  3. Step 3: Cross multiply
    871,317.38x = 1,306,666.77 × 255,649.52
  4. Step 4: Simplify right side
    871,317.38x = 334,048,726,017.12
  5. Step 5: Solve for x
    x = 334,048,726,017.12/871,317.38
  6. Step 6: Final answer
    x = 383,383.52

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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.