Home / 744,616.17-1,116,739.71-212,141.81

Finding the Fourth Proportional to 744,616.17, 1,116,739.71 and 212,141.81

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Solution

The fourth proportional to 744,616.17, 1,116,739.71 and 212,141.81 is: 318,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,616.17 : 1,116,739.71 = 212,141.81 : x
  2. Step 2: Convert to fraction form
    744,616.17/1,116,739.71 = 212,141.81/x
  3. Step 3: Cross multiply
    744,616.17x = 1,116,739.71 × 212,141.81
  4. Step 4: Simplify right side
    744,616.17x = 236,907,177,794.58
  5. Step 5: Solve for x
    x = 236,907,177,794.58/744,616.17
  6. Step 6: Final answer
    x = 318,160.13

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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.