Home / 597,538.40-823,468.80-427,477.28

Finding the Fourth Proportional to 597,538.40, 823,468.80 and 427,477.28

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Solution

The fourth proportional to 597,538.40, 823,468.80 and 427,477.28 is: 589,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,538.40 : 823,468.80 = 427,477.28 : x
  2. Step 2: Convert to fraction form
    597,538.40/823,468.80 = 427,477.28/x
  3. Step 3: Cross multiply
    597,538.40x = 823,468.80 × 427,477.28
  4. Step 4: Simplify right side
    597,538.40x = 352,014,202,788.86
  5. Step 5: Solve for x
    x = 352,014,202,788.86/597,538.40
  6. Step 6: Final answer
    x = 589,107.25

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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.