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Finding the Fourth Proportional to 600,186.87, 899,280.76 and 422,320.20

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Solution

The fourth proportional to 600,186.87, 899,280.76 and 422,320.20 is: 632,776.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,186.87 : 899,280.76 = 422,320.20 : x
  2. Step 2: Convert to fraction form
    600,186.87/899,280.76 = 422,320.20/x
  3. Step 3: Cross multiply
    600,186.87x = 899,280.76 × 422,320.20
  4. Step 4: Simplify right side
    600,186.87x = 379,784,423,811.35
  5. Step 5: Solve for x
    x = 379,784,423,811.35/600,186.87
  6. Step 6: Final answer
    x = 632,776.97

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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.