Home / 535,734.90-739,337.22-320,833.80

Finding the Fourth Proportional to 535,734.90, 739,337.22 and 320,833.80

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Solution

The fourth proportional to 535,734.90, 739,337.22 and 320,833.80 is: 442,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,734.90 : 739,337.22 = 320,833.80 : x
  2. Step 2: Convert to fraction form
    535,734.90/739,337.22 = 320,833.80/x
  3. Step 3: Cross multiply
    535,734.90x = 739,337.22 × 320,833.80
  4. Step 4: Simplify right side
    535,734.90x = 237,204,369,774.04
  5. Step 5: Solve for x
    x = 237,204,369,774.04/535,734.90
  6. Step 6: Final answer
    x = 442,764.45

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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.