Home / 513,011.10-707,933.19-283,556.46

Finding the Fourth Proportional to 513,011.10, 707,933.19 and 283,556.46

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Solution

The fourth proportional to 513,011.10, 707,933.19 and 283,556.46 is: 391,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,011.10 : 707,933.19 = 283,556.46 : x
  2. Step 2: Convert to fraction form
    513,011.10/707,933.19 = 283,556.46/x
  3. Step 3: Cross multiply
    513,011.10x = 707,933.19 × 283,556.46
  4. Step 4: Simplify right side
    513,011.10x = 200,739,029,272.91
  5. Step 5: Solve for x
    x = 200,739,029,272.91/513,011.10
  6. Step 6: Final answer
    x = 391,295.68

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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.