Home / 845,191.92-1,267,846.20-312,701.16

Finding the Fourth Proportional to 845,191.92, 1,267,846.20 and 312,701.16

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Solution

The fourth proportional to 845,191.92, 1,267,846.20 and 312,701.16 is: 469,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,191.92 : 1,267,846.20 = 312,701.16 : x
  2. Step 2: Convert to fraction form
    845,191.92/1,267,846.20 = 312,701.16/x
  3. Step 3: Cross multiply
    845,191.92x = 1,267,846.20 × 312,701.16
  4. Step 4: Simplify right side
    845,191.92x = 396,456,977,441.59
  5. Step 5: Solve for x
    x = 396,456,977,441.59/845,191.92
  6. Step 6: Final answer
    x = 469,073.32

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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.