Home / 703,265.40-1,054,998.62-216,988.72

Finding the Fourth Proportional to 703,265.40, 1,054,998.62 and 216,988.72

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Solution

The fourth proportional to 703,265.40, 1,054,998.62 and 216,988.72 is: 325,514.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,265.40 : 1,054,998.62 = 216,988.72 : x
  2. Step 2: Convert to fraction form
    703,265.40/1,054,998.62 = 216,988.72/x
  3. Step 3: Cross multiply
    703,265.40x = 1,054,998.62 × 216,988.72
  4. Step 4: Simplify right side
    703,265.40x = 228,922,800,155.57
  5. Step 5: Solve for x
    x = 228,922,800,155.57/703,265.40
  6. Step 6: Final answer
    x = 325,514.09

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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.