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Finding the Fourth Proportional to 587,305.65, 810,289.04 and 329,144.88

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Solution

The fourth proportional to 587,305.65, 810,289.04 and 329,144.88 is: 454,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,305.65 : 810,289.04 = 329,144.88 : x
  2. Step 2: Convert to fraction form
    587,305.65/810,289.04 = 329,144.88/x
  3. Step 3: Cross multiply
    587,305.65x = 810,289.04 × 329,144.88
  4. Step 4: Simplify right side
    587,305.65x = 266,702,488,836.12
  5. Step 5: Solve for x
    x = 266,702,488,836.12/587,305.65
  6. Step 6: Final answer
    x = 454,111.91

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1.5x scale

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.