Home / 857,147.93-1,285,901.71-324,657.17

Finding the Fourth Proportional to 857,147.93, 1,285,901.71 and 324,657.17

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Solution

The fourth proportional to 857,147.93, 1,285,901.71 and 324,657.17 is: 487,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,147.93 : 1,285,901.71 = 324,657.17 : x
  2. Step 2: Convert to fraction form
    857,147.93/1,285,901.71 = 324,657.17/x
  3. Step 3: Cross multiply
    857,147.93x = 1,285,901.71 × 324,657.17
  4. Step 4: Simplify right side
    857,147.93x = 417,477,202,825.61
  5. Step 5: Solve for x
    x = 417,477,202,825.61/857,147.93
  6. Step 6: Final answer
    x = 487,053.86

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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.