Home / 806,025.20-1,208,746.20-326,051.60

Finding the Fourth Proportional to 806,025.20, 1,208,746.20 and 326,051.60

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Solution

The fourth proportional to 806,025.20, 1,208,746.20 and 326,051.60 is: 488,959.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,025.20 : 1,208,746.20 = 326,051.60 : x
  2. Step 2: Convert to fraction form
    806,025.20/1,208,746.20 = 326,051.60/x
  3. Step 3: Cross multiply
    806,025.20x = 1,208,746.20 × 326,051.60
  4. Step 4: Simplify right side
    806,025.20x = 394,113,632,503.92
  5. Step 5: Solve for x
    x = 394,113,632,503.92/806,025.20
  6. Step 6: Final answer
    x = 488,959.44

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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.