Home / 828,140.94-1,142,879.49-460,656.90

Finding the Fourth Proportional to 828,140.94, 1,142,879.49 and 460,656.90

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Solution

The fourth proportional to 828,140.94, 1,142,879.49 and 460,656.90 is: 635,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,140.94 : 1,142,879.49 = 460,656.90 : x
  2. Step 2: Convert to fraction form
    828,140.94/1,142,879.49 = 460,656.90/x
  3. Step 3: Cross multiply
    828,140.94x = 1,142,879.49 × 460,656.90
  4. Step 4: Simplify right side
    828,140.94x = 526,475,322,936.98
  5. Step 5: Solve for x
    x = 526,475,322,936.98/828,140.94
  6. Step 6: Final answer
    x = 635,731.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.