Home / 925,743.96-1,277,012.18-538,515.80

Finding the Fourth Proportional to 925,743.96, 1,277,012.18 and 538,515.80

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Solution

The fourth proportional to 925,743.96, 1,277,012.18 and 538,515.80 is: 742,852.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,743.96 : 1,277,012.18 = 538,515.80 : x
  2. Step 2: Convert to fraction form
    925,743.96/1,277,012.18 = 538,515.80/x
  3. Step 3: Cross multiply
    925,743.96x = 1,277,012.18 × 538,515.80
  4. Step 4: Simplify right side
    925,743.96x = 687,691,235,722.44
  5. Step 5: Solve for x
    x = 687,691,235,722.44/925,743.96
  6. Step 6: Final answer
    x = 742,852.52

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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.