Home / 798,718.22-1,197,859.11-286,287.85

Finding the Fourth Proportional to 798,718.22, 1,197,859.11 and 286,287.85

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Solution

The fourth proportional to 798,718.22, 1,197,859.11 and 286,287.85 is: 429,353.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,718.22 : 1,197,859.11 = 286,287.85 : x
  2. Step 2: Convert to fraction form
    798,718.22/1,197,859.11 = 286,287.85/x
  3. Step 3: Cross multiply
    798,718.22x = 1,197,859.11 × 286,287.85
  4. Step 4: Simplify right side
    798,718.22x = 342,932,509,204.81
  5. Step 5: Solve for x
    x = 342,932,509,204.81/798,718.22
  6. Step 6: Final answer
    x = 429,353.56

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Double scale
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Similar ratio
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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.