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Finding the Fourth Proportional to 533,339.40, 800,930.70 and 284,507.40

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Solution

The fourth proportional to 533,339.40, 800,930.70 and 284,507.40 is: 427,252.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,339.40 : 800,930.70 = 284,507.40 : x
  2. Step 2: Convert to fraction form
    533,339.40/800,930.70 = 284,507.40/x
  3. Step 3: Cross multiply
    533,339.40x = 800,930.70 × 284,507.40
  4. Step 4: Simplify right side
    533,339.40x = 227,870,711,037.18
  5. Step 5: Solve for x
    x = 227,870,711,037.18/533,339.40
  6. Step 6: Final answer
    x = 427,252.72

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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.