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Finding the Fourth Proportional to 743,003, 1,025,335.08 and 403,473.68

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Solution

The fourth proportional to 743,003, 1,025,335.08 and 403,473.68 is: 556,788.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,003 : 1,025,335.08 = 403,473.68 : x
  2. Step 2: Convert to fraction form
    743,003/1,025,335.08 = 403,473.68/x
  3. Step 3: Cross multiply
    743,003x = 1,025,335.08 × 403,473.68
  4. Step 4: Simplify right side
    743,003x = 413,695,717,960.69
  5. Step 5: Solve for x
    x = 413,695,717,960.69/743,003
  6. Step 6: Final answer
    x = 556,788.76

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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.