Home / 682,272.80-1,023,409.20-434,055.20

Finding the Fourth Proportional to 682,272.80, 1,023,409.20 and 434,055.20

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Solution

The fourth proportional to 682,272.80, 1,023,409.20 and 434,055.20 is: 651,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,272.80 : 1,023,409.20 = 434,055.20 : x
  2. Step 2: Convert to fraction form
    682,272.80/1,023,409.20 = 434,055.20/x
  3. Step 3: Cross multiply
    682,272.80x = 1,023,409.20 × 434,055.20
  4. Step 4: Simplify right side
    682,272.80x = 444,216,084,987.84
  5. Step 5: Solve for x
    x = 444,216,084,987.84/682,272.80
  6. Step 6: Final answer
    x = 651,082.80

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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.