Home / 675,278.31-1,012,543.53-276,199.33

Finding the Fourth Proportional to 675,278.31, 1,012,543.53 and 276,199.33

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Solution

The fourth proportional to 675,278.31, 1,012,543.53 and 276,199.33 is: 414,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,278.31 : 1,012,543.53 = 276,199.33 : x
  2. Step 2: Convert to fraction form
    675,278.31/1,012,543.53 = 276,199.33/x
  3. Step 3: Cross multiply
    675,278.31x = 1,012,543.53 × 276,199.33
  4. Step 4: Simplify right side
    675,278.31x = 279,663,844,581.84
  5. Step 5: Solve for x
    x = 279,663,844,581.84/675,278.31
  6. Step 6: Final answer
    x = 414,146.05

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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.