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Finding the Fourth Proportional to 556,090.70, 834,136.05 and 486,106.70

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Solution

The fourth proportional to 556,090.70, 834,136.05 and 486,106.70 is: 729,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,090.70 : 834,136.05 = 486,106.70 : x
  2. Step 2: Convert to fraction form
    556,090.70/834,136.05 = 486,106.70/x
  3. Step 3: Cross multiply
    556,090.70x = 834,136.05 × 486,106.70
  4. Step 4: Simplify right side
    556,090.70x = 405,479,122,616.54
  5. Step 5: Solve for x
    x = 405,479,122,616.54/556,090.70
  6. Step 6: Final answer
    x = 729,160.05

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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.