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Finding the Fourth Proportional to 658,615.24, 909,038.10 and 372,301.48

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Solution

The fourth proportional to 658,615.24, 909,038.10 and 372,301.48 is: 513,860.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,615.24 : 909,038.10 = 372,301.48 : x
  2. Step 2: Convert to fraction form
    658,615.24/909,038.10 = 372,301.48/x
  3. Step 3: Cross multiply
    658,615.24x = 909,038.10 × 372,301.48
  4. Step 4: Simplify right side
    658,615.24x = 338,436,230,006.39
  5. Step 5: Solve for x
    x = 338,436,230,006.39/658,615.24
  6. Step 6: Final answer
    x = 513,860.31

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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.