Home / 845,155.92-1,267,275.96-371,286.48

Finding the Fourth Proportional to 845,155.92, 1,267,275.96 and 371,286.48

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Solution

The fourth proportional to 845,155.92, 1,267,275.96 and 371,286.48 is: 556,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,155.92 : 1,267,275.96 = 371,286.48 : x
  2. Step 2: Convert to fraction form
    845,155.92/1,267,275.96 = 371,286.48/x
  3. Step 3: Cross multiply
    845,155.92x = 1,267,275.96 × 371,286.48
  4. Step 4: Simplify right side
    845,155.92x = 470,522,430,377.02
  5. Step 5: Solve for x
    x = 470,522,430,377.02/845,155.92
  6. Step 6: Final answer
    x = 556,728.55

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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.