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Finding the Fourth Proportional to 659,427.70, 910,010.23 and 372,941.64

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Solution

The fourth proportional to 659,427.70, 910,010.23 and 372,941.64 is: 514,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,427.70 : 910,010.23 = 372,941.64 : x
  2. Step 2: Convert to fraction form
    659,427.70/910,010.23 = 372,941.64/x
  3. Step 3: Cross multiply
    659,427.70x = 910,010.23 × 372,941.64
  4. Step 4: Simplify right side
    659,427.70x = 339,380,701,178.22
  5. Step 5: Solve for x
    x = 339,380,701,178.22/659,427.70
  6. Step 6: Final answer
    x = 514,659.46

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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.