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Finding the Fourth Proportional to 565,607.70, 848,688.11 and 266,118.09

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Solution

The fourth proportional to 565,607.70, 848,688.11 and 266,118.09 is: 399,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,607.70 : 848,688.11 = 266,118.09 : x
  2. Step 2: Convert to fraction form
    565,607.70/848,688.11 = 266,118.09/x
  3. Step 3: Cross multiply
    565,607.70x = 848,688.11 × 266,118.09
  4. Step 4: Simplify right side
    565,607.70x = 225,851,257,508.32
  5. Step 5: Solve for x
    x = 225,851,257,508.32/565,607.70
  6. Step 6: Final answer
    x = 399,307.25

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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.