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Finding the Fourth Proportional to 522,141.60, 782,337.60 and 446,908.80

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Solution

The fourth proportional to 522,141.60, 782,337.60 and 446,908.80 is: 669,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,141.60 : 782,337.60 = 446,908.80 : x
  2. Step 2: Convert to fraction form
    522,141.60/782,337.60 = 446,908.80/x
  3. Step 3: Cross multiply
    522,141.60x = 782,337.60 × 446,908.80
  4. Step 4: Simplify right side
    522,141.60x = 349,633,558,010.88
  5. Step 5: Solve for x
    x = 349,633,558,010.88/522,141.60
  6. Step 6: Final answer
    x = 669,614.45

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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.