Home / 868,298.31-1,302,573.56-269,307.71

Finding the Fourth Proportional to 868,298.31, 1,302,573.56 and 269,307.71

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Solution

The fourth proportional to 868,298.31, 1,302,573.56 and 269,307.71 is: 404,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,298.31 : 1,302,573.56 = 269,307.71 : x
  2. Step 2: Convert to fraction form
    868,298.31/1,302,573.56 = 269,307.71/x
  3. Step 3: Cross multiply
    868,298.31x = 1,302,573.56 × 269,307.71
  4. Step 4: Simplify right side
    868,298.31x = 350,793,103,238.88
  5. Step 5: Solve for x
    x = 350,793,103,238.88/868,298.31
  6. Step 6: Final answer
    x = 404,000.68

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1.5x scale

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.