Home / 777,099.07-1,165,714.20-216,133.57

Finding the Fourth Proportional to 777,099.07, 1,165,714.20 and 216,133.57

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Solution

The fourth proportional to 777,099.07, 1,165,714.20 and 216,133.57 is: 324,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,099.07 : 1,165,714.20 = 216,133.57 : x
  2. Step 2: Convert to fraction form
    777,099.07/1,165,714.20 = 216,133.57/x
  3. Step 3: Cross multiply
    777,099.07x = 1,165,714.20 × 216,133.57
  4. Step 4: Simplify right side
    777,099.07x = 251,949,971,645.69
  5. Step 5: Solve for x
    x = 251,949,971,645.69/777,099.07
  6. Step 6: Final answer
    x = 324,218.60

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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.