Home / 727,349.24-1,003,670.10-405,089.34

Finding the Fourth Proportional to 727,349.24, 1,003,670.10 and 405,089.34

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Solution

The fourth proportional to 727,349.24, 1,003,670.10 and 405,089.34 is: 558,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,349.24 : 1,003,670.10 = 405,089.34 : x
  2. Step 2: Convert to fraction form
    727,349.24/1,003,670.10 = 405,089.34/x
  3. Step 3: Cross multiply
    727,349.24x = 1,003,670.10 × 405,089.34
  4. Step 4: Simplify right side
    727,349.24x = 406,576,058,386.73
  5. Step 5: Solve for x
    x = 406,576,058,386.73/727,349.24
  6. Step 6: Final answer
    x = 558,983.28

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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.