Home / 808,710.23-1,211,867.27-328,353.90

Finding the Fourth Proportional to 808,710.23, 1,211,867.27 and 328,353.90

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Solution

The fourth proportional to 808,710.23, 1,211,867.27 and 328,353.90 is: 492,044.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,710.23 : 1,211,867.27 = 328,353.90 : x
  2. Step 2: Convert to fraction form
    808,710.23/1,211,867.27 = 328,353.90/x
  3. Step 3: Cross multiply
    808,710.23x = 1,211,867.27 × 328,353.90
  4. Step 4: Simplify right side
    808,710.23x = 397,921,348,095.65
  5. Step 5: Solve for x
    x = 397,921,348,095.65/808,710.23
  6. Step 6: Final answer
    x = 492,044.41

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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.