Home / 772,844.60-1,159,266.90-274,143.80

Finding the Fourth Proportional to 772,844.60, 1,159,266.90 and 274,143.80

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Solution

The fourth proportional to 772,844.60, 1,159,266.90 and 274,143.80 is: 411,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,844.60 : 1,159,266.90 = 274,143.80 : x
  2. Step 2: Convert to fraction form
    772,844.60/1,159,266.90 = 274,143.80/x
  3. Step 3: Cross multiply
    772,844.60x = 1,159,266.90 × 274,143.80
  4. Step 4: Simplify right side
    772,844.60x = 317,805,833,180.22
  5. Step 5: Solve for x
    x = 317,805,833,180.22/772,844.60
  6. Step 6: Final answer
    x = 411,215.70

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Similar ratio
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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.