Home / 828,165.39-1,142,857.26-460,640.04

Finding the Fourth Proportional to 828,165.39, 1,142,857.26 and 460,640.04

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Solution

The fourth proportional to 828,165.39, 1,142,857.26 and 460,640.04 is: 635,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,165.39 : 1,142,857.26 = 460,640.04 : x
  2. Step 2: Convert to fraction form
    828,165.39/1,142,857.26 = 460,640.04/x
  3. Step 3: Cross multiply
    828,165.39x = 1,142,857.26 × 460,640.04
  4. Step 4: Simplify right side
    828,165.39x = 526,445,813,960.69
  5. Step 5: Solve for x
    x = 526,445,813,960.69/828,165.39
  6. Step 6: Final answer
    x = 635,677.15

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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.