Home / 888,723.40-1,333,084.14-289,684.36

Finding the Fourth Proportional to 888,723.40, 1,333,084.14 and 289,684.36

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Solution

The fourth proportional to 888,723.40, 1,333,084.14 and 289,684.36 is: 434,526.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,723.40 : 1,333,084.14 = 289,684.36 : x
  2. Step 2: Convert to fraction form
    888,723.40/1,333,084.14 = 289,684.36/x
  3. Step 3: Cross multiply
    888,723.40x = 1,333,084.14 × 289,684.36
  4. Step 4: Simplify right side
    888,723.40x = 386,173,625,922.05
  5. Step 5: Solve for x
    x = 386,173,625,922.05/888,723.40
  6. Step 6: Final answer
    x = 434,526.23

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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.