Home / 772,563.60-1,158,845.40-273,862.80

Finding the Fourth Proportional to 772,563.60, 1,158,845.40 and 273,862.80

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Solution

The fourth proportional to 772,563.60, 1,158,845.40 and 273,862.80 is: 410,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,563.60 : 1,158,845.40 = 273,862.80 : x
  2. Step 2: Convert to fraction form
    772,563.60/1,158,845.40 = 273,862.80/x
  3. Step 3: Cross multiply
    772,563.60x = 1,158,845.40 × 273,862.80
  4. Step 4: Simplify right side
    772,563.60x = 317,364,646,011.12
  5. Step 5: Solve for x
    x = 317,364,646,011.12/772,563.60
  6. Step 6: Final answer
    x = 410,794.20

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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.