Home / 798,798.88-1,197,865.20-325,162.72

Finding the Fourth Proportional to 798,798.88, 1,197,865.20 and 325,162.72

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Solution

The fourth proportional to 798,798.88, 1,197,865.20 and 325,162.72 is: 487,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,798.88 : 1,197,865.20 = 325,162.72 : x
  2. Step 2: Convert to fraction form
    798,798.88/1,197,865.20 = 325,162.72/x
  3. Step 3: Cross multiply
    798,798.88x = 1,197,865.20 × 325,162.72
  4. Step 4: Simplify right side
    798,798.88x = 389,501,106,625.34
  5. Step 5: Solve for x
    x = 389,501,106,625.34/798,798.88
  6. Step 6: Final answer
    x = 487,608.48

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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.