Home / 998,299.28-1,496,849.55-457,878.60

Finding the Fourth Proportional to 998,299.28, 1,496,849.55 and 457,878.60

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Solution

The fourth proportional to 998,299.28, 1,496,849.55 and 457,878.60 is: 686,542.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,299.28 : 1,496,849.55 = 457,878.60 : x
  2. Step 2: Convert to fraction form
    998,299.28/1,496,849.55 = 457,878.60/x
  3. Step 3: Cross multiply
    998,299.28x = 1,496,849.55 × 457,878.60
  4. Step 4: Simplify right side
    998,299.28x = 685,375,376,364.63
  5. Step 5: Solve for x
    x = 685,375,376,364.63/998,299.28
  6. Step 6: Final answer
    x = 686,542.99

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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.