Home / 513,847.08-709,049.80-296,087.48

Finding the Fourth Proportional to 513,847.08, 709,049.80 and 296,087.48

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Solution

The fourth proportional to 513,847.08, 709,049.80 and 296,087.48 is: 408,566.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,847.08 : 709,049.80 = 296,087.48 : x
  2. Step 2: Convert to fraction form
    513,847.08/709,049.80 = 296,087.48/x
  3. Step 3: Cross multiply
    513,847.08x = 709,049.80 × 296,087.48
  4. Step 4: Simplify right side
    513,847.08x = 209,940,768,476.50
  5. Step 5: Solve for x
    x = 209,940,768,476.50/513,847.08
  6. Step 6: Final answer
    x = 408,566.63

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1.5x scale

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.