Home / 535,942.76-739,573.12-318,160.44

Finding the Fourth Proportional to 535,942.76, 739,573.12 and 318,160.44

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Solution

The fourth proportional to 535,942.76, 739,573.12 and 318,160.44 is: 439,044.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,942.76 : 739,573.12 = 318,160.44 : x
  2. Step 2: Convert to fraction form
    535,942.76/739,573.12 = 318,160.44/x
  3. Step 3: Cross multiply
    535,942.76x = 739,573.12 × 318,160.44
  4. Step 4: Simplify right side
    535,942.76x = 235,302,909,271.37
  5. Step 5: Solve for x
    x = 235,302,909,271.37/535,942.76
  6. Step 6: Final answer
    x = 439,044.85

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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.