Home / 628,719.68-943,146.68-268,927.76

Finding the Fourth Proportional to 628,719.68, 943,146.68 and 268,927.76

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Solution

The fourth proportional to 628,719.68, 943,146.68 and 268,927.76 is: 403,420.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,719.68 : 943,146.68 = 268,927.76 : x
  2. Step 2: Convert to fraction form
    628,719.68/943,146.68 = 268,927.76/x
  3. Step 3: Cross multiply
    628,719.68x = 943,146.68 × 268,927.76
  4. Step 4: Simplify right side
    628,719.68x = 253,638,317,943.47
  5. Step 5: Solve for x
    x = 253,638,317,943.47/628,719.68
  6. Step 6: Final answer
    x = 403,420.36

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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.