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Finding the Fourth Proportional to 355,558.40, 533,337.60 and 328,524.80

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Solution

The fourth proportional to 355,558.40, 533,337.60 and 328,524.80 is: 492,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,558.40 : 533,337.60 = 328,524.80 : x
  2. Step 2: Convert to fraction form
    355,558.40/533,337.60 = 328,524.80/x
  3. Step 3: Cross multiply
    355,558.40x = 533,337.60 × 328,524.80
  4. Step 4: Simplify right side
    355,558.40x = 175,214,628,372.48
  5. Step 5: Solve for x
    x = 175,214,628,372.48/355,558.40
  6. Step 6: Final answer
    x = 492,787.20

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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.