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Finding the Fourth Proportional to 659,302.80, 909,894.24 and 372,873.84

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Solution

The fourth proportional to 659,302.80, 909,894.24 and 372,873.84 is: 514,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,302.80 : 909,894.24 = 372,873.84 : x
  2. Step 2: Convert to fraction form
    659,302.80/909,894.24 = 372,873.84/x
  3. Step 3: Cross multiply
    659,302.80x = 909,894.24 × 372,873.84
  4. Step 4: Simplify right side
    659,302.80x = 339,275,759,262.68
  5. Step 5: Solve for x
    x = 339,275,759,262.68/659,302.80
  6. Step 6: Final answer
    x = 514,597.78

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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.