Home / 727,533.71-1,004,027.50-405,243.95

Finding the Fourth Proportional to 727,533.71, 1,004,027.50 and 405,243.95

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Solution

The fourth proportional to 727,533.71, 1,004,027.50 and 405,243.95 is: 559,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,533.71 : 1,004,027.50 = 405,243.95 : x
  2. Step 2: Convert to fraction form
    727,533.71/1,004,027.50 = 405,243.95/x
  3. Step 3: Cross multiply
    727,533.71x = 1,004,027.50 × 405,243.95
  4. Step 4: Simplify right side
    727,533.71x = 406,876,067,982.41
  5. Step 5: Solve for x
    x = 406,876,067,982.41/727,533.71
  6. Step 6: Final answer
    x = 559,253.90

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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.