Home / 900,921.42-1,351,592.33-261,238.50

Finding the Fourth Proportional to 900,921.42, 1,351,592.33 and 261,238.50

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Solution

The fourth proportional to 900,921.42, 1,351,592.33 and 261,238.50 is: 391,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,921.42 : 1,351,592.33 = 261,238.50 : x
  2. Step 2: Convert to fraction form
    900,921.42/1,351,592.33 = 261,238.50/x
  3. Step 3: Cross multiply
    900,921.42x = 1,351,592.33 × 261,238.50
  4. Step 4: Simplify right side
    900,921.42x = 353,087,951,594.51
  5. Step 5: Solve for x
    x = 353,087,951,594.51/900,921.42
  6. Step 6: Final answer
    x = 391,918.70

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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.