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Finding the Fourth Proportional to 559,147.39, 838,967.99 and 433,876.03

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Solution

The fourth proportional to 559,147.39, 838,967.99 and 433,876.03 is: 651,005.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,147.39 : 838,967.99 = 433,876.03 : x
  2. Step 2: Convert to fraction form
    559,147.39/838,967.99 = 433,876.03/x
  3. Step 3: Cross multiply
    559,147.39x = 838,967.99 × 433,876.03
  4. Step 4: Simplify right side
    559,147.39x = 364,008,100,798.28
  5. Step 5: Solve for x
    x = 364,008,100,798.28/559,147.39
  6. Step 6: Final answer
    x = 651,005.63

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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.