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Finding the Fourth Proportional to 539,883.36, 808,126.61 and 370,412.73

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Solution

The fourth proportional to 539,883.36, 808,126.61 and 370,412.73 is: 554,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,883.36 : 808,126.61 = 370,412.73 : x
  2. Step 2: Convert to fraction form
    539,883.36/808,126.61 = 370,412.73/x
  3. Step 3: Cross multiply
    539,883.36x = 808,126.61 × 370,412.73
  4. Step 4: Simplify right side
    539,883.36x = 299,340,381,943.68
  5. Step 5: Solve for x
    x = 299,340,381,943.68/539,883.36
  6. Step 6: Final answer
    x = 554,453.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.