Home / 845,976.20-1,268,657.10-425,112.20

Finding the Fourth Proportional to 845,976.20, 1,268,657.10 and 425,112.20

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Solution

The fourth proportional to 845,976.20, 1,268,657.10 and 425,112.20 is: 637,513.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,976.20 : 1,268,657.10 = 425,112.20 : x
  2. Step 2: Convert to fraction form
    845,976.20/1,268,657.10 = 425,112.20/x
  3. Step 3: Cross multiply
    845,976.20x = 1,268,657.10 × 425,112.20
  4. Step 4: Simplify right side
    845,976.20x = 539,321,610,826.62
  5. Step 5: Solve for x
    x = 539,321,610,826.62/845,976.20
  6. Step 6: Final answer
    x = 637,513.93

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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.