Home / 646,060.41-969,014.30-172,782.45

Finding the Fourth Proportional to 646,060.41, 969,014.30 and 172,782.45

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Solution

The fourth proportional to 646,060.41, 969,014.30 and 172,782.45 is: 259,153.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,060.41 : 969,014.30 = 172,782.45 : x
  2. Step 2: Convert to fraction form
    646,060.41/969,014.30 = 172,782.45/x
  3. Step 3: Cross multiply
    646,060.41x = 969,014.30 × 172,782.45
  4. Step 4: Simplify right side
    646,060.41x = 167,428,663,975.12
  5. Step 5: Solve for x
    x = 167,428,663,975.12/646,060.41
  6. Step 6: Final answer
    x = 259,153.26

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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.