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Finding the Fourth Proportional to 723,899.03, 999,100.58 and 401,712.62

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Solution

The fourth proportional to 723,899.03, 999,100.58 and 401,712.62 is: 554,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,899.03 : 999,100.58 = 401,712.62 : x
  2. Step 2: Convert to fraction form
    723,899.03/999,100.58 = 401,712.62/x
  3. Step 3: Cross multiply
    723,899.03x = 999,100.58 × 401,712.62
  4. Step 4: Simplify right side
    723,899.03x = 401,351,304,631.25
  5. Step 5: Solve for x
    x = 401,351,304,631.25/723,899.03
  6. Step 6: Final answer
    x = 554,429.96

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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.