Home / 658,634.24-909,064.32-372,320.48

Finding the Fourth Proportional to 658,634.24, 909,064.32 and 372,320.48

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Solution

The fourth proportional to 658,634.24, 909,064.32 and 372,320.48 is: 513,886.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,634.24 : 909,064.32 = 372,320.48 : x
  2. Step 2: Convert to fraction form
    658,634.24/909,064.32 = 372,320.48/x
  3. Step 3: Cross multiply
    658,634.24x = 909,064.32 × 372,320.48
  4. Step 4: Simplify right side
    658,634.24x = 338,463,263,973.27
  5. Step 5: Solve for x
    x = 338,463,263,973.27/658,634.24
  6. Step 6: Final answer
    x = 513,886.53

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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.