Home / 961,719.90-1,442,709.45-330,827.10

Finding the Fourth Proportional to 961,719.90, 1,442,709.45 and 330,827.10

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Solution

The fourth proportional to 961,719.90, 1,442,709.45 and 330,827.10 is: 496,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,719.90 : 1,442,709.45 = 330,827.10 : x
  2. Step 2: Convert to fraction form
    961,719.90/1,442,709.45 = 330,827.10/x
  3. Step 3: Cross multiply
    961,719.90x = 1,442,709.45 × 330,827.10
  4. Step 4: Simplify right side
    961,719.90x = 477,287,383,486.10
  5. Step 5: Solve for x
    x = 477,287,383,486.10/961,719.90
  6. Step 6: Final answer
    x = 496,285.23

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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.