Home / 691,180.76-1,036,615.62-247,948.76

Finding the Fourth Proportional to 691,180.76, 1,036,615.62 and 247,948.76

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Solution

The fourth proportional to 691,180.76, 1,036,615.62 and 247,948.76 is: 371,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,180.76 : 1,036,615.62 = 247,948.76 : x
  2. Step 2: Convert to fraction form
    691,180.76/1,036,615.62 = 247,948.76/x
  3. Step 3: Cross multiply
    691,180.76x = 1,036,615.62 × 247,948.76
  4. Step 4: Simplify right side
    691,180.76x = 257,027,557,575.63
  5. Step 5: Solve for x
    x = 257,027,557,575.63/691,180.76
  6. Step 6: Final answer
    x = 371,867.35

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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.