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Finding the Fourth Proportional to 723,948.03, 999,034.95 and 401,651.22

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Solution

The fourth proportional to 723,948.03, 999,034.95 and 401,651.22 is: 554,271.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,948.03 : 999,034.95 = 401,651.22 : x
  2. Step 2: Convert to fraction form
    723,948.03/999,034.95 = 401,651.22/x
  3. Step 3: Cross multiply
    723,948.03x = 999,034.95 × 401,651.22
  4. Step 4: Simplify right side
    723,948.03x = 401,263,606,490.14
  5. Step 5: Solve for x
    x = 401,263,606,490.14/723,948.03
  6. Step 6: Final answer
    x = 554,271.29

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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.