Home / 551,736.48-761,372.04-322,315.01

Finding the Fourth Proportional to 551,736.48, 761,372.04 and 322,315.01

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Solution

The fourth proportional to 551,736.48, 761,372.04 and 322,315.01 is: 444,780.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,736.48 : 761,372.04 = 322,315.01 : x
  2. Step 2: Convert to fraction form
    551,736.48/761,372.04 = 322,315.01/x
  3. Step 3: Cross multiply
    551,736.48x = 761,372.04 × 322,315.01
  4. Step 4: Simplify right side
    551,736.48x = 245,401,632,879.46
  5. Step 5: Solve for x
    x = 245,401,632,879.46/551,736.48
  6. Step 6: Final answer
    x = 444,780.51

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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.