Home / 457,260.48-686,941.92-322,634.40

Finding the Fourth Proportional to 457,260.48, 686,941.92 and 322,634.40

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Solution

The fourth proportional to 457,260.48, 686,941.92 and 322,634.40 is: 484,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,260.48 : 686,941.92 = 322,634.40 : x
  2. Step 2: Convert to fraction form
    457,260.48/686,941.92 = 322,634.40/x
  3. Step 3: Cross multiply
    457,260.48x = 686,941.92 × 322,634.40
  4. Step 4: Simplify right side
    457,260.48x = 221,631,094,194.05
  5. Step 5: Solve for x
    x = 221,631,094,194.05/457,260.48
  6. Step 6: Final answer
    x = 484,693.31

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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.