Home / 788,335.36-1,182,509.52-339,025.12

Finding the Fourth Proportional to 788,335.36, 1,182,509.52 and 339,025.12

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Solution

The fourth proportional to 788,335.36, 1,182,509.52 and 339,025.12 is: 508,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,335.36 : 1,182,509.52 = 339,025.12 : x
  2. Step 2: Convert to fraction form
    788,335.36/1,182,509.52 = 339,025.12/x
  3. Step 3: Cross multiply
    788,335.36x = 1,182,509.52 × 339,025.12
  4. Step 4: Simplify right side
    788,335.36x = 400,900,431,919.14
  5. Step 5: Solve for x
    x = 400,900,431,919.14/788,335.36
  6. Step 6: Final answer
    x = 508,540.47

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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.