Home / 888,974.82-1,333,326.88-289,935.03

Finding the Fourth Proportional to 888,974.82, 1,333,326.88 and 289,935.03

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Solution

The fourth proportional to 888,974.82, 1,333,326.88 and 289,935.03 is: 434,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,974.82 : 1,333,326.88 = 289,935.03 : x
  2. Step 2: Convert to fraction form
    888,974.82/1,333,326.88 = 289,935.03/x
  3. Step 3: Cross multiply
    888,974.82x = 1,333,326.88 × 289,935.03
  4. Step 4: Simplify right side
    888,974.82x = 386,578,168,952.61
  5. Step 5: Solve for x
    x = 386,578,168,952.61/888,974.82
  6. Step 6: Final answer
    x = 434,858.40

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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.