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Finding the Fourth Proportional to 552,495.60, 828,160.20 and 315,327.60

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Solution

The fourth proportional to 552,495.60, 828,160.20 and 315,327.60 is: 472,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,495.60 : 828,160.20 = 315,327.60 : x
  2. Step 2: Convert to fraction form
    552,495.60/828,160.20 = 315,327.60/x
  3. Step 3: Cross multiply
    552,495.60x = 828,160.20 × 315,327.60
  4. Step 4: Simplify right side
    552,495.60x = 261,141,768,281.52
  5. Step 5: Solve for x
    x = 261,141,768,281.52/552,495.60
  6. Step 6: Final answer
    x = 472,658.55

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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.