Home / 845,319.20-1,268,170.14-485,656.10

Finding the Fourth Proportional to 845,319.20, 1,268,170.14 and 485,656.10

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Solution

The fourth proportional to 845,319.20, 1,268,170.14 and 485,656.10 is: 728,594.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,319.20 : 1,268,170.14 = 485,656.10 : x
  2. Step 2: Convert to fraction form
    845,319.20/1,268,170.14 = 485,656.10/x
  3. Step 3: Cross multiply
    845,319.20x = 1,268,170.14 × 485,656.10
  4. Step 4: Simplify right side
    845,319.20x = 615,894,564,328.85
  5. Step 5: Solve for x
    x = 615,894,564,328.85/845,319.20
  6. Step 6: Final answer
    x = 728,594.08

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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.