Home / 798,001.20-1,197,001.80-265,539.60

Finding the Fourth Proportional to 798,001.20, 1,197,001.80 and 265,539.60

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Solution

The fourth proportional to 798,001.20, 1,197,001.80 and 265,539.60 is: 398,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,001.20 : 1,197,001.80 = 265,539.60 : x
  2. Step 2: Convert to fraction form
    798,001.20/1,197,001.80 = 265,539.60/x
  3. Step 3: Cross multiply
    798,001.20x = 1,197,001.80 × 265,539.60
  4. Step 4: Simplify right side
    798,001.20x = 317,851,379,171.28
  5. Step 5: Solve for x
    x = 317,851,379,171.28/798,001.20
  6. Step 6: Final answer
    x = 398,309.40

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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.