Home / 909,877.58-1,364,767.14-278,793.22

Finding the Fourth Proportional to 909,877.58, 1,364,767.14 and 278,793.22

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Solution

The fourth proportional to 909,877.58, 1,364,767.14 and 278,793.22 is: 418,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,877.58 : 1,364,767.14 = 278,793.22 : x
  2. Step 2: Convert to fraction form
    909,877.58/1,364,767.14 = 278,793.22/x
  3. Step 3: Cross multiply
    909,877.58x = 1,364,767.14 × 278,793.22
  4. Step 4: Simplify right side
    909,877.58x = 380,487,825,510.79
  5. Step 5: Solve for x
    x = 380,487,825,510.79/909,877.58
  6. Step 6: Final answer
    x = 418,174.75

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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.