Home / 772,272.80-1,158,409.20-744,279.20

Finding the Fourth Proportional to 772,272.80, 1,158,409.20 and 744,279.20

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Solution

The fourth proportional to 772,272.80, 1,158,409.20 and 744,279.20 is: 1,116,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,272.80 : 1,158,409.20 = 744,279.20 : x
  2. Step 2: Convert to fraction form
    772,272.80/1,158,409.20 = 744,279.20/x
  3. Step 3: Cross multiply
    772,272.80x = 1,158,409.20 × 744,279.20
  4. Step 4: Simplify right side
    772,272.80x = 862,179,872,648.64
  5. Step 5: Solve for x
    x = 862,179,872,648.64/772,272.80
  6. Step 6: Final answer
    x = 1,116,418.80

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Double scale
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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.