Home / 548,135.30-821,036.55-454,823.30

Finding the Fourth Proportional to 548,135.30, 821,036.55 and 454,823.30

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Solution

The fourth proportional to 548,135.30, 821,036.55 and 454,823.30 is: 681,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,135.30 : 821,036.55 = 454,823.30 : x
  2. Step 2: Convert to fraction form
    548,135.30/821,036.55 = 454,823.30/x
  3. Step 3: Cross multiply
    548,135.30x = 821,036.55 × 454,823.30
  4. Step 4: Simplify right side
    548,135.30x = 373,426,553,091.62
  5. Step 5: Solve for x
    x = 373,426,553,091.62/548,135.30
  6. Step 6: Final answer
    x = 681,267.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.