Home / 798,911.80-1,197,347.10-325,061.80

Finding the Fourth Proportional to 798,911.80, 1,197,347.10 and 325,061.80

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Solution

The fourth proportional to 798,911.80, 1,197,347.10 and 325,061.80 is: 487,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,911.80 : 1,197,347.10 = 325,061.80 : x
  2. Step 2: Convert to fraction form
    798,911.80/1,197,347.10 = 325,061.80/x
  3. Step 3: Cross multiply
    798,911.80x = 1,197,347.10 × 325,061.80
  4. Step 4: Simplify right side
    798,911.80x = 389,211,803,550.78
  5. Step 5: Solve for x
    x = 389,211,803,550.78/798,911.80
  6. Step 6: Final answer
    x = 487,177.44

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Double scale
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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.