Home / 646,018.56-968,314.20-266,730.18

Finding the Fourth Proportional to 646,018.56, 968,314.20 and 266,730.18

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Solution

The fourth proportional to 646,018.56, 968,314.20 and 266,730.18 is: 399,800.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,018.56 : 968,314.20 = 266,730.18 : x
  2. Step 2: Convert to fraction form
    646,018.56/968,314.20 = 266,730.18/x
  3. Step 3: Cross multiply
    646,018.56x = 968,314.20 × 266,730.18
  4. Step 4: Simplify right side
    646,018.56x = 258,278,620,862.56
  5. Step 5: Solve for x
    x = 258,278,620,862.56/646,018.56
  6. Step 6: Final answer
    x = 399,800.62

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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.