Home / 731,915.56-1,010,087.94-409,618.96

Finding the Fourth Proportional to 731,915.56, 1,010,087.94 and 409,618.96

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Solution

The fourth proportional to 731,915.56, 1,010,087.94 and 409,618.96 is: 565,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,915.56 : 1,010,087.94 = 409,618.96 : x
  2. Step 2: Convert to fraction form
    731,915.56/1,010,087.94 = 409,618.96/x
  3. Step 3: Cross multiply
    731,915.56x = 1,010,087.94 × 409,618.96
  4. Step 4: Simplify right side
    731,915.56x = 413,751,171,491.34
  5. Step 5: Solve for x
    x = 413,751,171,491.34/731,915.56
  6. Step 6: Final answer
    x = 565,299.05

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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.