Home / 513,106.65-708,025.85-283,633.04

Finding the Fourth Proportional to 513,106.65, 708,025.85 and 283,633.04

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Solution

The fourth proportional to 513,106.65, 708,025.85 and 283,633.04 is: 391,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,106.65 : 708,025.85 = 283,633.04 : x
  2. Step 2: Convert to fraction form
    513,106.65/708,025.85 = 283,633.04/x
  3. Step 3: Cross multiply
    513,106.65x = 708,025.85 × 283,633.04
  4. Step 4: Simplify right side
    513,106.65x = 200,819,524,234.08
  5. Step 5: Solve for x
    x = 200,819,524,234.08/513,106.65
  6. Step 6: Final answer
    x = 391,379.70

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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.