Home / 798,456.95-1,197,874.19-258,712.32

Finding the Fourth Proportional to 798,456.95, 1,197,874.19 and 258,712.32

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Solution

The fourth proportional to 798,456.95, 1,197,874.19 and 258,712.32 is: 388,129.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,456.95 : 1,197,874.19 = 258,712.32 : x
  2. Step 2: Convert to fraction form
    798,456.95/1,197,874.19 = 258,712.32/x
  3. Step 3: Cross multiply
    798,456.95x = 1,197,874.19 × 258,712.32
  4. Step 4: Simplify right side
    798,456.95x = 309,904,809,469.46
  5. Step 5: Solve for x
    x = 309,904,809,469.46/798,456.95
  6. Step 6: Final answer
    x = 388,129.64

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Double scale
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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.