Home / 889,842.66-1,334,752.74-215,929.50

Finding the Fourth Proportional to 889,842.66, 1,334,752.74 and 215,929.50

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Solution

The fourth proportional to 889,842.66, 1,334,752.74 and 215,929.50 is: 323,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,842.66 : 1,334,752.74 = 215,929.50 : x
  2. Step 2: Convert to fraction form
    889,842.66/1,334,752.74 = 215,929.50/x
  3. Step 3: Cross multiply
    889,842.66x = 1,334,752.74 × 215,929.50
  4. Step 4: Simplify right side
    889,842.66x = 288,212,491,771.83
  5. Step 5: Solve for x
    x = 288,212,491,771.83/889,842.66
  6. Step 6: Final answer
    x = 323,891.52

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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.