Home / 426,434.45-639,750.08-226,947.24

Finding the Fourth Proportional to 426,434.45, 639,750.08 and 226,947.24

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Solution

The fourth proportional to 426,434.45, 639,750.08 and 226,947.24 is: 340,473.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,434.45 : 639,750.08 = 226,947.24 : x
  2. Step 2: Convert to fraction form
    426,434.45/639,750.08 = 226,947.24/x
  3. Step 3: Cross multiply
    426,434.45x = 639,750.08 × 226,947.24
  4. Step 4: Simplify right side
    426,434.45x = 145,189,515,513.15
  5. Step 5: Solve for x
    x = 145,189,515,513.15/426,434.45
  6. Step 6: Final answer
    x = 340,473.24

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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.