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Finding the Fourth Proportional to 535,417.72, 801,900.78 and 269,253.88

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Solution

The fourth proportional to 535,417.72, 801,900.78 and 269,253.88 is: 403,264.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,417.72 : 801,900.78 = 269,253.88 : x
  2. Step 2: Convert to fraction form
    535,417.72/801,900.78 = 269,253.88/x
  3. Step 3: Cross multiply
    535,417.72x = 801,900.78 × 269,253.88
  4. Step 4: Simplify right side
    535,417.72x = 215,914,896,390.03
  5. Step 5: Solve for x
    x = 215,914,896,390.03/535,417.72
  6. Step 6: Final answer
    x = 403,264.38

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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.