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Finding the Fourth Proportional to 659,304.80, 909,897 and 372,875.84

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Solution

The fourth proportional to 659,304.80, 909,897 and 372,875.84 is: 514,600.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,304.80 : 909,897 = 372,875.84 : x
  2. Step 2: Convert to fraction form
    659,304.80/909,897 = 372,875.84/x
  3. Step 3: Cross multiply
    659,304.80x = 909,897 × 372,875.84
  4. Step 4: Simplify right side
    659,304.80x = 339,278,608,188.48
  5. Step 5: Solve for x
    x = 339,278,608,188.48/659,304.80
  6. Step 6: Final answer
    x = 514,600.54

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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.