Home / 772,577.60-1,158,866.40-273,876.80

Finding the Fourth Proportional to 772,577.60, 1,158,866.40 and 273,876.80

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Solution

The fourth proportional to 772,577.60, 1,158,866.40 and 273,876.80 is: 410,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,577.60 : 1,158,866.40 = 273,876.80 : x
  2. Step 2: Convert to fraction form
    772,577.60/1,158,866.40 = 273,876.80/x
  3. Step 3: Cross multiply
    772,577.60x = 1,158,866.40 × 273,876.80
  4. Step 4: Simplify right side
    772,577.60x = 317,386,621,259.52
  5. Step 5: Solve for x
    x = 317,386,621,259.52/772,577.60
  6. Step 6: Final answer
    x = 410,815.20

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Double scale
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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.