Home / 724,481.66-1,085,308.76-474,405.50

Finding the Fourth Proportional to 724,481.66, 1,085,308.76 and 474,405.50

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Solution

The fourth proportional to 724,481.66, 1,085,308.76 and 474,405.50 is: 710,682.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,481.66 : 1,085,308.76 = 474,405.50 : x
  2. Step 2: Convert to fraction form
    724,481.66/1,085,308.76 = 474,405.50/x
  3. Step 3: Cross multiply
    724,481.66x = 1,085,308.76 × 474,405.50
  4. Step 4: Simplify right side
    724,481.66x = 514,876,444,942.18
  5. Step 5: Solve for x
    x = 514,876,444,942.18/724,481.66
  6. Step 6: Final answer
    x = 710,682.51

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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.