Home / 729,278.96-1,006,460.75-402,654.96

Finding the Fourth Proportional to 729,278.96, 1,006,460.75 and 402,654.96

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Solution

The fourth proportional to 729,278.96, 1,006,460.75 and 402,654.96 is: 555,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,278.96 : 1,006,460.75 = 402,654.96 : x
  2. Step 2: Convert to fraction form
    729,278.96/1,006,460.75 = 402,654.96/x
  3. Step 3: Cross multiply
    729,278.96x = 1,006,460.75 × 402,654.96
  4. Step 4: Simplify right side
    729,278.96x = 405,256,411,019.55
  5. Step 5: Solve for x
    x = 405,256,411,019.55/729,278.96
  6. Step 6: Final answer
    x = 555,694.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.