Home / 770,667.28-1,156,333.04-321,476.60

Finding the Fourth Proportional to 770,667.28, 1,156,333.04 and 321,476.60

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Solution

The fourth proportional to 770,667.28, 1,156,333.04 and 321,476.60 is: 482,353.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,667.28 : 1,156,333.04 = 321,476.60 : x
  2. Step 2: Convert to fraction form
    770,667.28/1,156,333.04 = 321,476.60/x
  3. Step 3: Cross multiply
    770,667.28x = 1,156,333.04 × 321,476.60
  4. Step 4: Simplify right side
    770,667.28x = 371,734,014,166.86
  5. Step 5: Solve for x
    x = 371,734,014,166.86/770,667.28
  6. Step 6: Final answer
    x = 482,353.44

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Double scale
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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.