Home / 513,022.80-707,967.18-283,595.16

Finding the Fourth Proportional to 513,022.80, 707,967.18 and 283,595.16

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Solution

The fourth proportional to 513,022.80, 707,967.18 and 283,595.16 is: 391,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,022.80 : 707,967.18 = 283,595.16 : x
  2. Step 2: Convert to fraction form
    513,022.80/707,967.18 = 283,595.16/x
  3. Step 3: Cross multiply
    513,022.80x = 707,967.18 × 283,595.16
  4. Step 4: Simplify right side
    513,022.80x = 200,776,065,686.85
  5. Step 5: Solve for x
    x = 200,776,065,686.85/513,022.80
  6. Step 6: Final answer
    x = 391,358.95

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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.