Home / 763,015.06-1,052,921.51-452,930.66

Finding the Fourth Proportional to 763,015.06, 1,052,921.51 and 452,930.66

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Solution

The fourth proportional to 763,015.06, 1,052,921.51 and 452,930.66 is: 625,020.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,015.06 : 1,052,921.51 = 452,930.66 : x
  2. Step 2: Convert to fraction form
    763,015.06/1,052,921.51 = 452,930.66/x
  3. Step 3: Cross multiply
    763,015.06x = 1,052,921.51 × 452,930.66
  4. Step 4: Simplify right side
    763,015.06x = 476,900,434,257.66
  5. Step 5: Solve for x
    x = 476,900,434,257.66/763,015.06
  6. Step 6: Final answer
    x = 625,020.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.