Home / 646,054.20-970,118.10-488,460.60

Finding the Fourth Proportional to 646,054.20, 970,118.10 and 488,460.60

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Solution

The fourth proportional to 646,054.20, 970,118.10 and 488,460.60 is: 733,474.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,054.20 : 970,118.10 = 488,460.60 : x
  2. Step 2: Convert to fraction form
    646,054.20/970,118.10 = 488,460.60/x
  3. Step 3: Cross multiply
    646,054.20x = 970,118.10 × 488,460.60
  4. Step 4: Simplify right side
    646,054.20x = 473,864,469,196.86
  5. Step 5: Solve for x
    x = 473,864,469,196.86/646,054.20
  6. Step 6: Final answer
    x = 733,474.79

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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.