Home / 324,746.20-487,119.30-266,426.20

Finding the Fourth Proportional to 324,746.20, 487,119.30 and 266,426.20

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Solution

The fourth proportional to 324,746.20, 487,119.30 and 266,426.20 is: 399,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,746.20 : 487,119.30 = 266,426.20 : x
  2. Step 2: Convert to fraction form
    324,746.20/487,119.30 = 266,426.20/x
  3. Step 3: Cross multiply
    324,746.20x = 487,119.30 × 266,426.20
  4. Step 4: Simplify right side
    324,746.20x = 129,781,344,045.66
  5. Step 5: Solve for x
    x = 129,781,344,045.66/324,746.20
  6. Step 6: Final answer
    x = 399,639.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.