Home / 646,027.13-891,546.80-359,565.57

Finding the Fourth Proportional to 646,027.13, 891,546.80 and 359,565.57

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Solution

The fourth proportional to 646,027.13, 891,546.80 and 359,565.57 is: 496,216.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,027.13 : 891,546.80 = 359,565.57 : x
  2. Step 2: Convert to fraction form
    646,027.13/891,546.80 = 359,565.57/x
  3. Step 3: Cross multiply
    646,027.13x = 891,546.80 × 359,565.57
  4. Step 4: Simplify right side
    646,027.13x = 320,569,531,525.85
  5. Step 5: Solve for x
    x = 320,569,531,525.85/646,027.13
  6. Step 6: Final answer
    x = 496,216.83

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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.