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Finding the Fourth Proportional to 559,136.30, 838,704.45 and 483,028.70

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Solution

The fourth proportional to 559,136.30, 838,704.45 and 483,028.70 is: 724,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,136.30 : 838,704.45 = 483,028.70 : x
  2. Step 2: Convert to fraction form
    559,136.30/838,704.45 = 483,028.70/x
  3. Step 3: Cross multiply
    559,136.30x = 838,704.45 × 483,028.70
  4. Step 4: Simplify right side
    559,136.30x = 405,118,320,167.72
  5. Step 5: Solve for x
    x = 405,118,320,167.72/559,136.30
  6. Step 6: Final answer
    x = 724,543.05

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Similar ratio
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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.