Home / 808,020.89-1,115,081.19-440,498.27

Finding the Fourth Proportional to 808,020.89, 1,115,081.19 and 440,498.27

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Solution

The fourth proportional to 808,020.89, 1,115,081.19 and 440,498.27 is: 607,894.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,020.89 : 1,115,081.19 = 440,498.27 : x
  2. Step 2: Convert to fraction form
    808,020.89/1,115,081.19 = 440,498.27/x
  3. Step 3: Cross multiply
    808,020.89x = 1,115,081.19 × 440,498.27
  4. Step 4: Simplify right side
    808,020.89x = 491,191,337,892.24
  5. Step 5: Solve for x
    x = 491,191,337,892.24/808,020.89
  6. Step 6: Final answer
    x = 607,894.35

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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.