Home / 787,897.44-1,182,215.25-388,320.39

Finding the Fourth Proportional to 787,897.44, 1,182,215.25 and 388,320.39

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Solution

The fourth proportional to 787,897.44, 1,182,215.25 and 388,320.39 is: 582,662.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,897.44 : 1,182,215.25 = 388,320.39 : x
  2. Step 2: Convert to fraction form
    787,897.44/1,182,215.25 = 388,320.39/x
  3. Step 3: Cross multiply
    787,897.44x = 1,182,215.25 × 388,320.39
  4. Step 4: Simplify right side
    787,897.44x = 459,078,286,943.95
  5. Step 5: Solve for x
    x = 459,078,286,943.95/787,897.44
  6. Step 6: Final answer
    x = 582,662.49

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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.