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Finding the Fourth Proportional to 466,280.40, 699,420.60 and 396,296.40

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Solution

The fourth proportional to 466,280.40, 699,420.60 and 396,296.40 is: 594,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,280.40 : 699,420.60 = 396,296.40 : x
  2. Step 2: Convert to fraction form
    466,280.40/699,420.60 = 396,296.40/x
  3. Step 3: Cross multiply
    466,280.40x = 699,420.60 × 396,296.40
  4. Step 4: Simplify right side
    466,280.40x = 277,177,865,865.84
  5. Step 5: Solve for x
    x = 277,177,865,865.84/466,280.40
  6. Step 6: Final answer
    x = 594,444.60

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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.