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Finding the Fourth Proportional to 896,398.88, 1,344,486.38 and 363,407.81

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Solution

The fourth proportional to 896,398.88, 1,344,486.38 and 363,407.81 is: 545,066.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,398.88 : 1,344,486.38 = 363,407.81 : x
  2. Step 2: Convert to fraction form
    896,398.88/1,344,486.38 = 363,407.81/x
  3. Step 3: Cross multiply
    896,398.88x = 1,344,486.38 × 363,407.81
  4. Step 4: Simplify right side
    896,398.88x = 488,596,850,930.63
  5. Step 5: Solve for x
    x = 488,596,850,930.63/896,398.88
  6. Step 6: Final answer
    x = 545,066.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.