Home / 822,742.02-1,233,615.15-538,089.66

Finding the Fourth Proportional to 822,742.02, 1,233,615.15 and 538,089.66

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Solution

The fourth proportional to 822,742.02, 1,233,615.15 and 538,089.66 is: 806,808.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,742.02 : 1,233,615.15 = 538,089.66 : x
  2. Step 2: Convert to fraction form
    822,742.02/1,233,615.15 = 538,089.66/x
  3. Step 3: Cross multiply
    822,742.02x = 1,233,615.15 × 538,089.66
  4. Step 4: Simplify right side
    822,742.02x = 663,795,556,634.35
  5. Step 5: Solve for x
    x = 663,795,556,634.35/822,742.02
  6. Step 6: Final answer
    x = 806,808.87

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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.