Home / 551,882.15-761,464.36-322,309.11

Finding the Fourth Proportional to 551,882.15, 761,464.36 and 322,309.11

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Solution

The fourth proportional to 551,882.15, 761,464.36 and 322,309.11 is: 444,708.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,882.15 : 761,464.36 = 322,309.11 : x
  2. Step 2: Convert to fraction form
    551,882.15/761,464.36 = 322,309.11/x
  3. Step 3: Cross multiply
    551,882.15x = 761,464.36 × 322,309.11
  4. Step 4: Simplify right side
    551,882.15x = 245,426,900,168.32
  5. Step 5: Solve for x
    x = 245,426,900,168.32/551,882.15
  6. Step 6: Final answer
    x = 444,708.89

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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.