Home / 822,276.60-1,232,637.30-485,575.80

Finding the Fourth Proportional to 822,276.60, 1,232,637.30 and 485,575.80

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Solution

The fourth proportional to 822,276.60, 1,232,637.30 and 485,575.80 is: 727,904.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,276.60 : 1,232,637.30 = 485,575.80 : x
  2. Step 2: Convert to fraction form
    822,276.60/1,232,637.30 = 485,575.80/x
  3. Step 3: Cross multiply
    822,276.60x = 1,232,637.30 × 485,575.80
  4. Step 4: Simplify right side
    822,276.60x = 598,538,843,057.34
  5. Step 5: Solve for x
    x = 598,538,843,057.34/822,276.60
  6. Step 6: Final answer
    x = 727,904.51

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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.