Home / 723,954.51-999,057.34-401,663.84

Finding the Fourth Proportional to 723,954.51, 999,057.34 and 401,663.84

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Solution

The fourth proportional to 723,954.51, 999,057.34 and 401,663.84 is: 554,296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,954.51 : 999,057.34 = 401,663.84 : x
  2. Step 2: Convert to fraction form
    723,954.51/999,057.34 = 401,663.84/x
  3. Step 3: Cross multiply
    723,954.51x = 999,057.34 × 401,663.84
  4. Step 4: Simplify right side
    723,954.51x = 401,285,204,320.20
  5. Step 5: Solve for x
    x = 401,285,204,320.20/723,954.51
  6. Step 6: Final answer
    x = 554,296.16

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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.