Home / 726,877.12-1,003,090.46-404,580.30

Finding the Fourth Proportional to 726,877.12, 1,003,090.46 and 404,580.30

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Solution

The fourth proportional to 726,877.12, 1,003,090.46 and 404,580.30 is: 558,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,877.12 : 1,003,090.46 = 404,580.30 : x
  2. Step 2: Convert to fraction form
    726,877.12/1,003,090.46 = 404,580.30/x
  3. Step 3: Cross multiply
    726,877.12x = 1,003,090.46 × 404,580.30
  4. Step 4: Simplify right side
    726,877.12x = 405,830,639,233.94
  5. Step 5: Solve for x
    x = 405,830,639,233.94/726,877.12
  6. Step 6: Final answer
    x = 558,320.83

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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.