Home / 535,386.48-738,831.27-331,396.74

Finding the Fourth Proportional to 535,386.48, 738,831.27 and 331,396.74

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Solution

The fourth proportional to 535,386.48, 738,831.27 and 331,396.74 is: 457,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,386.48 : 738,831.27 = 331,396.74 : x
  2. Step 2: Convert to fraction form
    535,386.48/738,831.27 = 331,396.74/x
  3. Step 3: Cross multiply
    535,386.48x = 738,831.27 × 331,396.74
  4. Step 4: Simplify right side
    535,386.48x = 244,846,274,288.06
  5. Step 5: Solve for x
    x = 244,846,274,288.06/535,386.48
  6. Step 6: Final answer
    x = 457,326.22

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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.