Home / 646,772.46-970,084.37-173,420.61

Finding the Fourth Proportional to 646,772.46, 970,084.37 and 173,420.61

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Solution

The fourth proportional to 646,772.46, 970,084.37 and 173,420.61 is: 260,110.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,772.46 : 970,084.37 = 173,420.61 : x
  2. Step 2: Convert to fraction form
    646,772.46/970,084.37 = 173,420.61/x
  3. Step 3: Cross multiply
    646,772.46x = 970,084.37 × 173,420.61
  4. Step 4: Simplify right side
    646,772.46x = 168,232,622,329.76
  5. Step 5: Solve for x
    x = 168,232,622,329.76/646,772.46
  6. Step 6: Final answer
    x = 260,110.99

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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.