Home / 597,539.40-823,470.18-427,478.28

Finding the Fourth Proportional to 597,539.40, 823,470.18 and 427,478.28

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Solution

The fourth proportional to 597,539.40, 823,470.18 and 427,478.28 is: 589,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,539.40 : 823,470.18 = 427,478.28 : x
  2. Step 2: Convert to fraction form
    597,539.40/823,470.18 = 427,478.28/x
  3. Step 3: Cross multiply
    597,539.40x = 823,470.18 × 427,478.28
  4. Step 4: Simplify right side
    597,539.40x = 352,015,616,177.69
  5. Step 5: Solve for x
    x = 352,015,616,177.69/597,539.40
  6. Step 6: Final answer
    x = 589,108.63

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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.