Home / 860,722.66-1,291,081.83-261,681.22

Finding the Fourth Proportional to 860,722.66, 1,291,081.83 and 261,681.22

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Solution

The fourth proportional to 860,722.66, 1,291,081.83 and 261,681.22 is: 392,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,722.66 : 1,291,081.83 = 261,681.22 : x
  2. Step 2: Convert to fraction form
    860,722.66/1,291,081.83 = 261,681.22/x
  3. Step 3: Cross multiply
    860,722.66x = 1,291,081.83 × 261,681.22
  4. Step 4: Simplify right side
    860,722.66x = 337,851,868,394.23
  5. Step 5: Solve for x
    x = 337,851,868,394.23/860,722.66
  6. Step 6: Final answer
    x = 392,521.17

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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.