Home / 581,678.22-802,764.42-323,603.78

Finding the Fourth Proportional to 581,678.22, 802,764.42 and 323,603.78

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Solution

The fourth proportional to 581,678.22, 802,764.42 and 323,603.78 is: 446,600.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,678.22 : 802,764.42 = 323,603.78 : x
  2. Step 2: Convert to fraction form
    581,678.22/802,764.42 = 323,603.78/x
  3. Step 3: Cross multiply
    581,678.22x = 802,764.42 × 323,603.78
  4. Step 4: Simplify right side
    581,678.22x = 259,777,600,761.51
  5. Step 5: Solve for x
    x = 259,777,600,761.51/581,678.22
  6. Step 6: Final answer
    x = 446,600.19

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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.