Home / 900,789.39-1,351,199.75-331,877.65

Finding the Fourth Proportional to 900,789.39, 1,351,199.75 and 331,877.65

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Solution

The fourth proportional to 900,789.39, 1,351,199.75 and 331,877.65 is: 497,822.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,789.39 : 1,351,199.75 = 331,877.65 : x
  2. Step 2: Convert to fraction form
    900,789.39/1,351,199.75 = 331,877.65/x
  3. Step 3: Cross multiply
    900,789.39x = 1,351,199.75 × 331,877.65
  4. Step 4: Simplify right side
    900,789.39x = 448,432,997,740.20
  5. Step 5: Solve for x
    x = 448,432,997,740.20/900,789.39
  6. Step 6: Final answer
    x = 497,822.25

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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.