Home / 587,869.44-811,018.40-383,849.92

Finding the Fourth Proportional to 587,869.44, 811,018.40 and 383,849.92

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Solution

The fourth proportional to 587,869.44, 811,018.40 and 383,849.92 is: 529,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,869.44 : 811,018.40 = 383,849.92 : x
  2. Step 2: Convert to fraction form
    587,869.44/811,018.40 = 383,849.92/x
  3. Step 3: Cross multiply
    587,869.44x = 811,018.40 × 383,849.92
  4. Step 4: Simplify right side
    587,869.44x = 311,309,347,958.53
  5. Step 5: Solve for x
    x = 311,309,347,958.53/587,869.44
  6. Step 6: Final answer
    x = 529,555.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.