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Finding the Fourth Proportional to 600,175.20, 899,341.20 and 520,917.60

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Solution

The fourth proportional to 600,175.20, 899,341.20 and 520,917.60 is: 780,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,175.20 : 899,341.20 = 520,917.60 : x
  2. Step 2: Convert to fraction form
    600,175.20/899,341.20 = 520,917.60/x
  3. Step 3: Cross multiply
    600,175.20x = 899,341.20 × 520,917.60
  4. Step 4: Simplify right side
    600,175.20x = 468,482,659,485.12
  5. Step 5: Solve for x
    x = 468,482,659,485.12/600,175.20
  6. Step 6: Final answer
    x = 780,576.50

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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.