Home / 731,965.88-1,010,112.78-409,675.98

Finding the Fourth Proportional to 731,965.88, 1,010,112.78 and 409,675.98

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Solution

The fourth proportional to 731,965.88, 1,010,112.78 and 409,675.98 is: 565,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,965.88 : 1,010,112.78 = 409,675.98 : x
  2. Step 2: Convert to fraction form
    731,965.88/1,010,112.78 = 409,675.98/x
  3. Step 3: Cross multiply
    731,965.88x = 1,010,112.78 × 409,675.98
  4. Step 4: Simplify right side
    731,965.88x = 413,818,943,057.02
  5. Step 5: Solve for x
    x = 413,818,943,057.02/731,965.88
  6. Step 6: Final answer
    x = 565,352.78

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Double scale
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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.