Home / 689,976.77-1,035,006.66-216,662.18

Finding the Fourth Proportional to 689,976.77, 1,035,006.66 and 216,662.18

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Solution

The fourth proportional to 689,976.77, 1,035,006.66 and 216,662.18 is: 325,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,976.77 : 1,035,006.66 = 216,662.18 : x
  2. Step 2: Convert to fraction form
    689,976.77/1,035,006.66 = 216,662.18/x
  3. Step 3: Cross multiply
    689,976.77x = 1,035,006.66 × 216,662.18
  4. Step 4: Simplify right side
    689,976.77x = 224,246,794,095.09
  5. Step 5: Solve for x
    x = 224,246,794,095.09/689,976.77
  6. Step 6: Final answer
    x = 325,006.30

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1.5x scale

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.