Home / 845,782.80-1,268,731.80-269,360.40

Finding the Fourth Proportional to 845,782.80, 1,268,731.80 and 269,360.40

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Solution

The fourth proportional to 845,782.80, 1,268,731.80 and 269,360.40 is: 404,058.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,782.80 : 1,268,731.80 = 269,360.40 : x
  2. Step 2: Convert to fraction form
    845,782.80/1,268,731.80 = 269,360.40/x
  3. Step 3: Cross multiply
    845,782.80x = 1,268,731.80 × 269,360.40
  4. Step 4: Simplify right side
    845,782.80x = 341,746,105,140.72
  5. Step 5: Solve for x
    x = 341,746,105,140.72/845,782.80
  6. Step 6: Final answer
    x = 404,058.94

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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.