Home / 682,946.40-1,025,002.80-304,449.60

Finding the Fourth Proportional to 682,946.40, 1,025,002.80 and 304,449.60

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Solution

The fourth proportional to 682,946.40, 1,025,002.80 and 304,449.60 is: 456,934.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,946.40 : 1,025,002.80 = 304,449.60 : x
  2. Step 2: Convert to fraction form
    682,946.40/1,025,002.80 = 304,449.60/x
  3. Step 3: Cross multiply
    682,946.40x = 1,025,002.80 × 304,449.60
  4. Step 4: Simplify right side
    682,946.40x = 312,061,692,458.88
  5. Step 5: Solve for x
    x = 312,061,692,458.88/682,946.40
  6. Step 6: Final answer
    x = 456,934.38

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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.