Home / 548,048.20-821,294.70-404,775.40

Finding the Fourth Proportional to 548,048.20, 821,294.70 and 404,775.40

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Solution

The fourth proportional to 548,048.20, 821,294.70 and 404,775.40 is: 606,588.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,048.20 : 821,294.70 = 404,775.40 : x
  2. Step 2: Convert to fraction form
    548,048.20/821,294.70 = 404,775.40/x
  3. Step 3: Cross multiply
    548,048.20x = 821,294.70 × 404,775.40
  4. Step 4: Simplify right side
    548,048.20x = 332,439,890,710.38
  5. Step 5: Solve for x
    x = 332,439,890,710.38/548,048.20
  6. Step 6: Final answer
    x = 606,588.78

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1.5x scale

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.