Home / 723,955.13-999,058.21-401,664.45

Finding the Fourth Proportional to 723,955.13, 999,058.21 and 401,664.45

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Solution

The fourth proportional to 723,955.13, 999,058.21 and 401,664.45 is: 554,297.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,955.13 : 999,058.21 = 401,664.45 : x
  2. Step 2: Convert to fraction form
    723,955.13/999,058.21 = 401,664.45/x
  3. Step 3: Cross multiply
    723,955.13x = 999,058.21 × 401,664.45
  4. Step 4: Simplify right side
    723,955.13x = 401,286,165,433.47
  5. Step 5: Solve for x
    x = 401,286,165,433.47/723,955.13
  6. Step 6: Final answer
    x = 554,297.02

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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.