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Finding the Fourth Proportional to 605,018.52, 835,284.96 and 537,758.28

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Solution

The fourth proportional to 605,018.52, 835,284.96 and 537,758.28 is: 742,425.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,018.52 : 835,284.96 = 537,758.28 : x
  2. Step 2: Convert to fraction form
    605,018.52/835,284.96 = 537,758.28/x
  3. Step 3: Cross multiply
    605,018.52x = 835,284.96 × 537,758.28
  4. Step 4: Simplify right side
    605,018.52x = 449,181,403,399.47
  5. Step 5: Solve for x
    x = 449,181,403,399.47/605,018.52
  6. Step 6: Final answer
    x = 742,425.87

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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.