Home / 740,996.69-1,022,562.17-418,699.89

Finding the Fourth Proportional to 740,996.69, 1,022,562.17 and 418,699.89

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Solution

The fourth proportional to 740,996.69, 1,022,562.17 and 418,699.89 is: 577,798.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,996.69 : 1,022,562.17 = 418,699.89 : x
  2. Step 2: Convert to fraction form
    740,996.69/1,022,562.17 = 418,699.89/x
  3. Step 3: Cross multiply
    740,996.69x = 1,022,562.17 × 418,699.89
  4. Step 4: Simplify right side
    740,996.69x = 428,146,666,003.66
  5. Step 5: Solve for x
    x = 428,146,666,003.66/740,996.69
  6. Step 6: Final answer
    x = 577,798.36

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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.