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Finding the Fourth Proportional to 600,177.20, 899,344.20 and 520,919.60

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Solution

The fourth proportional to 600,177.20, 899,344.20 and 520,919.60 is: 780,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,177.20 : 899,344.20 = 520,919.60 : x
  2. Step 2: Convert to fraction form
    600,177.20/899,344.20 = 520,919.60/x
  3. Step 3: Cross multiply
    600,177.20x = 899,344.20 × 520,919.60
  4. Step 4: Simplify right side
    600,177.20x = 468,486,020,926.32
  5. Step 5: Solve for x
    x = 468,486,020,926.32/600,177.20
  6. Step 6: Final answer
    x = 780,579.50

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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.