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Finding the Fourth Proportional to 538,437.35, 807,656.03 and 528,069.35

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Solution

The fourth proportional to 538,437.35, 807,656.03 and 528,069.35 is: 792,104.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,437.35 : 807,656.03 = 528,069.35 : x
  2. Step 2: Convert to fraction form
    538,437.35/807,656.03 = 528,069.35/x
  3. Step 3: Cross multiply
    538,437.35x = 807,656.03 × 528,069.35
  4. Step 4: Simplify right side
    538,437.35x = 426,498,394,785.68
  5. Step 5: Solve for x
    x = 426,498,394,785.68/538,437.35
  6. Step 6: Final answer
    x = 792,104.03

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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.