Home / 961,690.20-1,442,467.08-330,590.04

Finding the Fourth Proportional to 961,690.20, 1,442,467.08 and 330,590.04

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Solution

The fourth proportional to 961,690.20, 1,442,467.08 and 330,590.04 is: 495,861.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,690.20 : 1,442,467.08 = 330,590.04 : x
  2. Step 2: Convert to fraction form
    961,690.20/1,442,467.08 = 330,590.04/x
  3. Step 3: Cross multiply
    961,690.20x = 1,442,467.08 × 330,590.04
  4. Step 4: Simplify right side
    961,690.20x = 476,865,249,675.88
  5. Step 5: Solve for x
    x = 476,865,249,675.88/961,690.20
  6. Step 6: Final answer
    x = 495,861.61

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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.