Home / 930,779.88-1,395,825-331,581.84

Finding the Fourth Proportional to 930,779.88, 1,395,825 and 331,581.84

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Solution

The fourth proportional to 930,779.88, 1,395,825 and 331,581.84 is: 497,249.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,779.88 : 1,395,825 = 331,581.84 : x
  2. Step 2: Convert to fraction form
    930,779.88/1,395,825 = 331,581.84/x
  3. Step 3: Cross multiply
    930,779.88x = 1,395,825 × 331,581.84
  4. Step 4: Simplify right side
    930,779.88x = 462,830,221,818.00
  5. Step 5: Solve for x
    x = 462,830,221,818.00/930,779.88
  6. Step 6: Final answer
    x = 497,249.92

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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.