Home / 734,251.82-1,013,331.64-428,426.73

Finding the Fourth Proportional to 734,251.82, 1,013,331.64 and 428,426.73

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Solution

The fourth proportional to 734,251.82, 1,013,331.64 and 428,426.73 is: 591,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,251.82 : 1,013,331.64 = 428,426.73 : x
  2. Step 2: Convert to fraction form
    734,251.82/1,013,331.64 = 428,426.73/x
  3. Step 3: Cross multiply
    734,251.82x = 1,013,331.64 × 428,426.73
  4. Step 4: Simplify right side
    734,251.82x = 434,138,360,581.79
  5. Step 5: Solve for x
    x = 434,138,360,581.79/734,251.82
  6. Step 6: Final answer
    x = 591,266.30

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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.