Home / 979,512.36-1,351,623.33-549,839.76

Finding the Fourth Proportional to 979,512.36, 1,351,623.33 and 549,839.76

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Solution

The fourth proportional to 979,512.36, 1,351,623.33 and 549,839.76 is: 758,720.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,512.36 : 1,351,623.33 = 549,839.76 : x
  2. Step 2: Convert to fraction form
    979,512.36/1,351,623.33 = 549,839.76/x
  3. Step 3: Cross multiply
    979,512.36x = 1,351,623.33 × 549,839.76
  4. Step 4: Simplify right side
    979,512.36x = 743,176,247,377.60
  5. Step 5: Solve for x
    x = 743,176,247,377.60/979,512.36
  6. Step 6: Final answer
    x = 758,720.64

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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.