Home / 382,117.30-571,815.15-332,739.70

Finding the Fourth Proportional to 382,117.30, 571,815.15 and 332,739.70

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Solution

The fourth proportional to 382,117.30, 571,815.15 and 332,739.70 is: 497,924.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,117.30 : 571,815.15 = 332,739.70 : x
  2. Step 2: Convert to fraction form
    382,117.30/571,815.15 = 332,739.70/x
  3. Step 3: Cross multiply
    382,117.30x = 571,815.15 × 332,739.70
  4. Step 4: Simplify right side
    382,117.30x = 190,265,601,466.46
  5. Step 5: Solve for x
    x = 190,265,601,466.46/382,117.30
  6. Step 6: Final answer
    x = 497,924.59

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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.