Home / 858,110.60-1,286,582.70-325,551.80

Finding the Fourth Proportional to 858,110.60, 1,286,582.70 and 325,551.80

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Solution

The fourth proportional to 858,110.60, 1,286,582.70 and 325,551.80 is: 488,106.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,110.60 : 1,286,582.70 = 325,551.80 : x
  2. Step 2: Convert to fraction form
    858,110.60/1,286,582.70 = 325,551.80/x
  3. Step 3: Cross multiply
    858,110.60x = 1,286,582.70 × 325,551.80
  4. Step 4: Simplify right side
    858,110.60x = 418,849,313,833.86
  5. Step 5: Solve for x
    x = 418,849,313,833.86/858,110.60
  6. Step 6: Final answer
    x = 488,106.44

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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.