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Finding the Fourth Proportional to 548,925.30, 823,388.88 and 360,575.40

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Solution

The fourth proportional to 548,925.30, 823,388.88 and 360,575.40 is: 540,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,925.30 : 823,388.88 = 360,575.40 : x
  2. Step 2: Convert to fraction form
    548,925.30/823,388.88 = 360,575.40/x
  3. Step 3: Cross multiply
    548,925.30x = 823,388.88 × 360,575.40
  4. Step 4: Simplify right side
    548,925.30x = 296,893,774,761.55
  5. Step 5: Solve for x
    x = 296,893,774,761.55/548,925.30
  6. Step 6: Final answer
    x = 540,863.71

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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.