Home / 850,788.51-1,276,207.52-318,207.93

Finding the Fourth Proportional to 850,788.51, 1,276,207.52 and 318,207.93

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Solution

The fourth proportional to 850,788.51, 1,276,207.52 and 318,207.93 is: 477,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,788.51 : 1,276,207.52 = 318,207.93 : x
  2. Step 2: Convert to fraction form
    850,788.51/1,276,207.52 = 318,207.93/x
  3. Step 3: Cross multiply
    850,788.51x = 1,276,207.52 × 318,207.93
  4. Step 4: Simplify right side
    850,788.51x = 406,099,351,598.59
  5. Step 5: Solve for x
    x = 406,099,351,598.59/850,788.51
  6. Step 6: Final answer
    x = 477,321.15

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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.