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Finding the Fourth Proportional to 533,479.20, 800,218.80 and 344,522.40

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Solution

The fourth proportional to 533,479.20, 800,218.80 and 344,522.40 is: 516,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,479.20 : 800,218.80 = 344,522.40 : x
  2. Step 2: Convert to fraction form
    533,479.20/800,218.80 = 344,522.40/x
  3. Step 3: Cross multiply
    533,479.20x = 800,218.80 × 344,522.40
  4. Step 4: Simplify right side
    533,479.20x = 275,693,301,501.12
  5. Step 5: Solve for x
    x = 275,693,301,501.12/533,479.20
  6. Step 6: Final answer
    x = 516,783.60

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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.