Home / 487,500.20-672,919.44-335,043.08

Finding the Fourth Proportional to 487,500.20, 672,919.44 and 335,043.08

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Solution

The fourth proportional to 487,500.20, 672,919.44 and 335,043.08 is: 462,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,500.20 : 672,919.44 = 335,043.08 : x
  2. Step 2: Convert to fraction form
    487,500.20/672,919.44 = 335,043.08/x
  3. Step 3: Cross multiply
    487,500.20x = 672,919.44 × 335,043.08
  4. Step 4: Simplify right side
    487,500.20x = 225,457,001,769.48
  5. Step 5: Solve for x
    x = 225,457,001,769.48/487,500.20
  6. Step 6: Final answer
    x = 462,475.71

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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.