Home / 947,011.31-1,420,726.82-273,040.01

Finding the Fourth Proportional to 947,011.31, 1,420,726.82 and 273,040.01

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Solution

The fourth proportional to 947,011.31, 1,420,726.82 and 273,040.01 is: 409,620.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,011.31 : 1,420,726.82 = 273,040.01 : x
  2. Step 2: Convert to fraction form
    947,011.31/1,420,726.82 = 273,040.01/x
  3. Step 3: Cross multiply
    947,011.31x = 1,420,726.82 × 273,040.01
  4. Step 4: Simplify right side
    947,011.31x = 387,915,256,671.23
  5. Step 5: Solve for x
    x = 387,915,256,671.23/947,011.31
  6. Step 6: Final answer
    x = 409,620.51

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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.