Home / 516,217.20-712,357.72-301,369.20

Finding the Fourth Proportional to 516,217.20, 712,357.72 and 301,369.20

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Solution

The fourth proportional to 516,217.20, 712,357.72 and 301,369.20 is: 415,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,217.20 : 712,357.72 = 301,369.20 : x
  2. Step 2: Convert to fraction form
    516,217.20/712,357.72 = 301,369.20/x
  3. Step 3: Cross multiply
    516,217.20x = 712,357.72 × 301,369.20
  4. Step 4: Simplify right side
    516,217.20x = 214,682,676,190.22
  5. Step 5: Solve for x
    x = 214,682,676,190.22/516,217.20
  6. Step 6: Final answer
    x = 415,876.64

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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.