Home / 727,047.12-1,003,305.47-404,757.24

Finding the Fourth Proportional to 727,047.12, 1,003,305.47 and 404,757.24

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Solution

The fourth proportional to 727,047.12, 1,003,305.47 and 404,757.24 is: 558,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,047.12 : 1,003,305.47 = 404,757.24 : x
  2. Step 2: Convert to fraction form
    727,047.12/1,003,305.47 = 404,757.24/x
  3. Step 3: Cross multiply
    727,047.12x = 1,003,305.47 × 404,757.24
  4. Step 4: Simplify right side
    727,047.12x = 406,095,150,890.32
  5. Step 5: Solve for x
    x = 406,095,150,890.32/727,047.12
  6. Step 6: Final answer
    x = 558,554.10

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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.