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Finding the Fourth Proportional to 723,567.93, 998,458.31 and 401,277.03

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Solution

The fourth proportional to 723,567.93, 998,458.31 and 401,277.03 is: 553,726.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,567.93 : 998,458.31 = 401,277.03 : x
  2. Step 2: Convert to fraction form
    723,567.93/998,458.31 = 401,277.03/x
  3. Step 3: Cross multiply
    723,567.93x = 998,458.31 × 401,277.03
  4. Step 4: Simplify right side
    723,567.93x = 400,658,385,215.62
  5. Step 5: Solve for x
    x = 400,658,385,215.62/723,567.93
  6. Step 6: Final answer
    x = 553,726.01

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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.