Home / 798,909.40-1,198,364.10-230,289.40

Finding the Fourth Proportional to 798,909.40, 1,198,364.10 and 230,289.40

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Solution

The fourth proportional to 798,909.40, 1,198,364.10 and 230,289.40 is: 345,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,909.40 : 1,198,364.10 = 230,289.40 : x
  2. Step 2: Convert to fraction form
    798,909.40/1,198,364.10 = 230,289.40/x
  3. Step 3: Cross multiply
    798,909.40x = 1,198,364.10 × 230,289.40
  4. Step 4: Simplify right side
    798,909.40x = 275,970,549,570.54
  5. Step 5: Solve for x
    x = 275,970,549,570.54/798,909.40
  6. Step 6: Final answer
    x = 345,434.10

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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.