Home / 646,293.44-968,127.96-326,247.86

Finding the Fourth Proportional to 646,293.44, 968,127.96 and 326,247.86

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Solution

The fourth proportional to 646,293.44, 968,127.96 and 326,247.86 is: 488,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,293.44 : 968,127.96 = 326,247.86 : x
  2. Step 2: Convert to fraction form
    646,293.44/968,127.96 = 326,247.86/x
  3. Step 3: Cross multiply
    646,293.44x = 968,127.96 × 326,247.86
  4. Step 4: Simplify right side
    646,293.44x = 315,849,675,156.17
  5. Step 5: Solve for x
    x = 315,849,675,156.17/646,293.44
  6. Step 6: Final answer
    x = 488,709.39

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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.