Home / 716,294.03-988,464.92-394,004.04

Finding the Fourth Proportional to 716,294.03, 988,464.92 and 394,004.04

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Solution

The fourth proportional to 716,294.03, 988,464.92 and 394,004.04 is: 543,714.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,294.03 : 988,464.92 = 394,004.04 : x
  2. Step 2: Convert to fraction form
    716,294.03/988,464.92 = 394,004.04/x
  3. Step 3: Cross multiply
    716,294.03x = 988,464.92 × 394,004.04
  4. Step 4: Simplify right side
    716,294.03x = 389,459,169,908.26
  5. Step 5: Solve for x
    x = 389,459,169,908.26/716,294.03
  6. Step 6: Final answer
    x = 543,714.11

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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.