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Finding the Fourth Proportional to 589,972.80, 885,615.30 and 365,586.60

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Solution

The fourth proportional to 589,972.80, 885,615.30 and 365,586.60 is: 548,786.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,972.80 : 885,615.30 = 365,586.60 : x
  2. Step 2: Convert to fraction form
    589,972.80/885,615.30 = 365,586.60/x
  3. Step 3: Cross multiply
    589,972.80x = 885,615.30 × 365,586.60
  4. Step 4: Simplify right side
    589,972.80x = 323,769,086,434.98
  5. Step 5: Solve for x
    x = 323,769,086,434.98/589,972.80
  6. Step 6: Final answer
    x = 548,786.46

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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.