Home / 727,282.56-1,003,647.12-404,996.40

Finding the Fourth Proportional to 727,282.56, 1,003,647.12 and 404,996.40

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Solution

The fourth proportional to 727,282.56, 1,003,647.12 and 404,996.40 is: 558,893.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,282.56 : 1,003,647.12 = 404,996.40 : x
  2. Step 2: Convert to fraction form
    727,282.56/1,003,647.12 = 404,996.40/x
  3. Step 3: Cross multiply
    727,282.56x = 1,003,647.12 × 404,996.40
  4. Step 4: Simplify right side
    727,282.56x = 406,473,470,470.37
  5. Step 5: Solve for x
    x = 406,473,470,470.37/727,282.56
  6. Step 6: Final answer
    x = 558,893.47

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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.