Home / 727,358.49-1,003,682.82-405,098.58

Finding the Fourth Proportional to 727,358.49, 1,003,682.82 and 405,098.58

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Solution

The fourth proportional to 727,358.49, 1,003,682.82 and 405,098.58 is: 558,996.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,358.49 : 1,003,682.82 = 405,098.58 : x
  2. Step 2: Convert to fraction form
    727,358.49/1,003,682.82 = 405,098.58/x
  3. Step 3: Cross multiply
    727,358.49x = 1,003,682.82 × 405,098.58
  4. Step 4: Simplify right side
    727,358.49x = 406,590,485,152.40
  5. Step 5: Solve for x
    x = 406,590,485,152.40/727,358.49
  6. Step 6: Final answer
    x = 558,996.00

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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.