Home / 689,314.40-1,034,749.20-532,239.20

Finding the Fourth Proportional to 689,314.40, 1,034,749.20 and 532,239.20

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Solution

The fourth proportional to 689,314.40, 1,034,749.20 and 532,239.20 is: 798,959.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,314.40 : 1,034,749.20 = 532,239.20 : x
  2. Step 2: Convert to fraction form
    689,314.40/1,034,749.20 = 532,239.20/x
  3. Step 3: Cross multiply
    689,314.40x = 1,034,749.20 × 532,239.20
  4. Step 4: Simplify right side
    689,314.40x = 550,734,086,408.64
  5. Step 5: Solve for x
    x = 550,734,086,408.64/689,314.40
  6. Step 6: Final answer
    x = 798,959.21

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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.