Home / 547,042.60-821,408.70-298,210.60

Finding the Fourth Proportional to 547,042.60, 821,408.70 and 298,210.60

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Solution

The fourth proportional to 547,042.60, 821,408.70 and 298,210.60 is: 447,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,042.60 : 821,408.70 = 298,210.60 : x
  2. Step 2: Convert to fraction form
    547,042.60/821,408.70 = 298,210.60/x
  3. Step 3: Cross multiply
    547,042.60x = 821,408.70 × 298,210.60
  4. Step 4: Simplify right side
    547,042.60x = 244,952,781,272.22
  5. Step 5: Solve for x
    x = 244,952,781,272.22/547,042.60
  6. Step 6: Final answer
    x = 447,776.43

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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.