Home / 938,281.86-1,294,831.26-508,561.56

Finding the Fourth Proportional to 938,281.86, 1,294,831.26 and 508,561.56

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Solution

The fourth proportional to 938,281.86, 1,294,831.26 and 508,561.56 is: 701,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,281.86 : 1,294,831.26 = 508,561.56 : x
  2. Step 2: Convert to fraction form
    938,281.86/1,294,831.26 = 508,561.56/x
  3. Step 3: Cross multiply
    938,281.86x = 1,294,831.26 × 508,561.56
  4. Step 4: Simplify right side
    938,281.86x = 658,501,405,522.37
  5. Step 5: Solve for x
    x = 658,501,405,522.37/938,281.86
  6. Step 6: Final answer
    x = 701,816.20

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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.