Home / 550,576.92-759,831.06-308,875.15

Finding the Fourth Proportional to 550,576.92, 759,831.06 and 308,875.15

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Solution

The fourth proportional to 550,576.92, 759,831.06 and 308,875.15 is: 426,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,576.92 : 759,831.06 = 308,875.15 : x
  2. Step 2: Convert to fraction form
    550,576.92/759,831.06 = 308,875.15/x
  3. Step 3: Cross multiply
    550,576.92x = 759,831.06 × 308,875.15
  4. Step 4: Simplify right side
    550,576.92x = 234,692,932,632.16
  5. Step 5: Solve for x
    x = 234,692,932,632.16/550,576.92
  6. Step 6: Final answer
    x = 426,267.29

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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.