Home / 727,534.21-1,004,028.19-405,244.45

Finding the Fourth Proportional to 727,534.21, 1,004,028.19 and 405,244.45

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Solution

The fourth proportional to 727,534.21, 1,004,028.19 and 405,244.45 is: 559,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,534.21 : 1,004,028.19 = 405,244.45 : x
  2. Step 2: Convert to fraction form
    727,534.21/1,004,028.19 = 405,244.45/x
  3. Step 3: Cross multiply
    727,534.21x = 1,004,028.19 × 405,244.45
  4. Step 4: Simplify right side
    727,534.21x = 406,876,849,614.82
  5. Step 5: Solve for x
    x = 406,876,849,614.82/727,534.21
  6. Step 6: Final answer
    x = 559,254.59

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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.