Home / 727,376.52-1,003,707.66-405,116.58

Finding the Fourth Proportional to 727,376.52, 1,003,707.66 and 405,116.58

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Solution

The fourth proportional to 727,376.52, 1,003,707.66 and 405,116.58 is: 559,020.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,376.52 : 1,003,707.66 = 405,116.58 : x
  2. Step 2: Convert to fraction form
    727,376.52/1,003,707.66 = 405,116.58/x
  3. Step 3: Cross multiply
    727,376.52x = 1,003,707.66 × 405,116.58
  4. Step 4: Simplify right side
    727,376.52x = 406,618,614,539.00
  5. Step 5: Solve for x
    x = 406,618,614,539.00/727,376.52
  6. Step 6: Final answer
    x = 559,020.81

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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.