Home / 809,831.82-1,117,576.35-447,264.89

Finding the Fourth Proportional to 809,831.82, 1,117,576.35 and 447,264.89

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Solution

The fourth proportional to 809,831.82, 1,117,576.35 and 447,264.89 is: 617,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,831.82 : 1,117,576.35 = 447,264.89 : x
  2. Step 2: Convert to fraction form
    809,831.82/1,117,576.35 = 447,264.89/x
  3. Step 3: Cross multiply
    809,831.82x = 1,117,576.35 × 447,264.89
  4. Step 4: Simplify right side
    809,831.82x = 499,852,657,661.47
  5. Step 5: Solve for x
    x = 499,852,657,661.47/809,831.82
  6. Step 6: Final answer
    x = 617,230.20

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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.