Home / 645,024.43-967,803.15-325,005.25

Finding the Fourth Proportional to 645,024.43, 967,803.15 and 325,005.25

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Solution

The fourth proportional to 645,024.43, 967,803.15 and 325,005.25 is: 487,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,024.43 : 967,803.15 = 325,005.25 : x
  2. Step 2: Convert to fraction form
    645,024.43/967,803.15 = 325,005.25/x
  3. Step 3: Cross multiply
    645,024.43x = 967,803.15 × 325,005.25
  4. Step 4: Simplify right side
    645,024.43x = 314,541,104,716.54
  5. Step 5: Solve for x
    x = 314,541,104,716.54/645,024.43
  6. Step 6: Final answer
    x = 487,642.16

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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.