Home / 747,315.60-1,121,161.14-214,837.58

Finding the Fourth Proportional to 747,315.60, 1,121,161.14 and 214,837.58

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Solution

The fourth proportional to 747,315.60, 1,121,161.14 and 214,837.58 is: 322,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,315.60 : 1,121,161.14 = 214,837.58 : x
  2. Step 2: Convert to fraction form
    747,315.60/1,121,161.14 = 214,837.58/x
  3. Step 3: Cross multiply
    747,315.60x = 1,121,161.14 × 214,837.58
  4. Step 4: Simplify right side
    747,315.60x = 240,867,546,107.64
  5. Step 5: Solve for x
    x = 240,867,546,107.64/747,315.60
  6. Step 6: Final answer
    x = 322,310.34

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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.