Home / 729,459.84-1,096,114.08-392,749.44

Finding the Fourth Proportional to 729,459.84, 1,096,114.08 and 392,749.44

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Solution

The fourth proportional to 729,459.84, 1,096,114.08 and 392,749.44 is: 590,160.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,459.84 : 1,096,114.08 = 392,749.44 : x
  2. Step 2: Convert to fraction form
    729,459.84/1,096,114.08 = 392,749.44/x
  3. Step 3: Cross multiply
    729,459.84x = 1,096,114.08 × 392,749.44
  4. Step 4: Simplify right side
    729,459.84x = 430,498,191,096.12
  5. Step 5: Solve for x
    x = 430,498,191,096.12/729,459.84
  6. Step 6: Final answer
    x = 590,160.24

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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.