Home / 725,202.06-1,000,809.96-402,912.14

Finding the Fourth Proportional to 725,202.06, 1,000,809.96 and 402,912.14

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Solution

The fourth proportional to 725,202.06, 1,000,809.96 and 402,912.14 is: 556,036.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,202.06 : 1,000,809.96 = 402,912.14 : x
  2. Step 2: Convert to fraction form
    725,202.06/1,000,809.96 = 402,912.14/x
  3. Step 3: Cross multiply
    725,202.06x = 1,000,809.96 × 402,912.14
  4. Step 4: Simplify right side
    725,202.06x = 403,238,482,716.91
  5. Step 5: Solve for x
    x = 403,238,482,716.91/725,202.06
  6. Step 6: Final answer
    x = 556,036.04

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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.