Home / 401,581.78-602,663.99-323,637.10

Finding the Fourth Proportional to 401,581.78, 602,663.99 and 323,637.10

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Solution

The fourth proportional to 401,581.78, 602,663.99 and 323,637.10 is: 485,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,581.78 : 602,663.99 = 323,637.10 : x
  2. Step 2: Convert to fraction form
    401,581.78/602,663.99 = 323,637.10/x
  3. Step 3: Cross multiply
    401,581.78x = 602,663.99 × 323,637.10
  4. Step 4: Simplify right side
    401,581.78x = 195,044,425,998.03
  5. Step 5: Solve for x
    x = 195,044,425,998.03/401,581.78
  6. Step 6: Final answer
    x = 485,690.43

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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.