Home / 819,317.64-1,229,199.48-250,686.12

Finding the Fourth Proportional to 819,317.64, 1,229,199.48 and 250,686.12

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Solution

The fourth proportional to 819,317.64, 1,229,199.48 and 250,686.12 is: 376,097.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,317.64 : 1,229,199.48 = 250,686.12 : x
  2. Step 2: Convert to fraction form
    819,317.64/1,229,199.48 = 250,686.12/x
  3. Step 3: Cross multiply
    819,317.64x = 1,229,199.48 × 250,686.12
  4. Step 4: Simplify right side
    819,317.64x = 308,143,248,347.22
  5. Step 5: Solve for x
    x = 308,143,248,347.22/819,317.64
  6. Step 6: Final answer
    x = 376,097.42

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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.