Home / 551,849.09-761,418.70-322,276.05

Finding the Fourth Proportional to 551,849.09, 761,418.70 and 322,276.05

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Solution

The fourth proportional to 551,849.09, 761,418.70 and 322,276.05 is: 444,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,849.09 : 761,418.70 = 322,276.05 : x
  2. Step 2: Convert to fraction form
    551,849.09/761,418.70 = 322,276.05/x
  3. Step 3: Cross multiply
    551,849.09x = 761,418.70 × 322,276.05
  4. Step 4: Simplify right side
    551,849.09x = 245,387,010,226.45
  5. Step 5: Solve for x
    x = 245,387,010,226.45/551,849.09
  6. Step 6: Final answer
    x = 444,663.25

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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.