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Finding the Fourth Proportional to 659,782.82, 910,475.44 and 373,309.05

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Solution

The fourth proportional to 659,782.82, 910,475.44 and 373,309.05 is: 515,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,782.82 : 910,475.44 = 373,309.05 : x
  2. Step 2: Convert to fraction form
    659,782.82/910,475.44 = 373,309.05/x
  3. Step 3: Cross multiply
    659,782.82x = 910,475.44 × 373,309.05
  4. Step 4: Simplify right side
    659,782.82x = 339,888,724,035.74
  5. Step 5: Solve for x
    x = 339,888,724,035.74/659,782.82
  6. Step 6: Final answer
    x = 515,152.43

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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.