Home / 547,628.40-821,442.60-298,796.40

Finding the Fourth Proportional to 547,628.40, 821,442.60 and 298,796.40

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Solution

The fourth proportional to 547,628.40, 821,442.60 and 298,796.40 is: 448,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,628.40 : 821,442.60 = 298,796.40 : x
  2. Step 2: Convert to fraction form
    547,628.40/821,442.60 = 298,796.40/x
  3. Step 3: Cross multiply
    547,628.40x = 821,442.60 × 298,796.40
  4. Step 4: Simplify right side
    547,628.40x = 245,444,091,686.64
  5. Step 5: Solve for x
    x = 245,444,091,686.64/547,628.40
  6. Step 6: Final answer
    x = 448,194.60

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Similar ratio
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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.