Home / 798,265.20-1,197,397.80-265,803.60

Finding the Fourth Proportional to 798,265.20, 1,197,397.80 and 265,803.60

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Solution

The fourth proportional to 798,265.20, 1,197,397.80 and 265,803.60 is: 398,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,265.20 : 1,197,397.80 = 265,803.60 : x
  2. Step 2: Convert to fraction form
    798,265.20/1,197,397.80 = 265,803.60/x
  3. Step 3: Cross multiply
    798,265.20x = 1,197,397.80 × 265,803.60
  4. Step 4: Simplify right side
    798,265.20x = 318,272,645,872.08
  5. Step 5: Solve for x
    x = 318,272,645,872.08/798,265.20
  6. Step 6: Final answer
    x = 398,705.40

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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.