Home / 873,008.78-1,309,710.20-265,851.41

Finding the Fourth Proportional to 873,008.78, 1,309,710.20 and 265,851.41

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Solution

The fourth proportional to 873,008.78, 1,309,710.20 and 265,851.41 is: 398,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,008.78 : 1,309,710.20 = 265,851.41 : x
  2. Step 2: Convert to fraction form
    873,008.78/1,309,710.20 = 265,851.41/x
  3. Step 3: Cross multiply
    873,008.78x = 1,309,710.20 × 265,851.41
  4. Step 4: Simplify right side
    873,008.78x = 348,188,295,483.57
  5. Step 5: Solve for x
    x = 348,188,295,483.57/873,008.78
  6. Step 6: Final answer
    x = 398,837.11

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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.