Home / 689,169.64-1,033,741.48-375,621.88

Finding the Fourth Proportional to 689,169.64, 1,033,741.48 and 375,621.88

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Solution

The fourth proportional to 689,169.64, 1,033,741.48 and 375,621.88 is: 563,425.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,169.64 : 1,033,741.48 = 375,621.88 : x
  2. Step 2: Convert to fraction form
    689,169.64/1,033,741.48 = 375,621.88/x
  3. Step 3: Cross multiply
    689,169.64x = 1,033,741.48 × 375,621.88
  4. Step 4: Simplify right side
    689,169.64x = 388,295,918,151.58
  5. Step 5: Solve for x
    x = 388,295,918,151.58/689,169.64
  6. Step 6: Final answer
    x = 563,425.75

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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.