Home / 550,890.40-826,335.60-547,391.20

Finding the Fourth Proportional to 550,890.40, 826,335.60 and 547,391.20

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Solution

The fourth proportional to 550,890.40, 826,335.60 and 547,391.20 is: 821,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,890.40 : 826,335.60 = 547,391.20 : x
  2. Step 2: Convert to fraction form
    550,890.40/826,335.60 = 547,391.20/x
  3. Step 3: Cross multiply
    550,890.40x = 826,335.60 × 547,391.20
  4. Step 4: Simplify right side
    550,890.40x = 452,328,835,686.72
  5. Step 5: Solve for x
    x = 452,328,835,686.72/550,890.40
  6. Step 6: Final answer
    x = 821,086.80

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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.