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Finding the Fourth Proportional to 554,429.70, 831,644.55 and 302,487.30

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Solution

The fourth proportional to 554,429.70, 831,644.55 and 302,487.30 is: 453,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,429.70 : 831,644.55 = 302,487.30 : x
  2. Step 2: Convert to fraction form
    554,429.70/831,644.55 = 302,487.30/x
  3. Step 3: Cross multiply
    554,429.70x = 831,644.55 × 302,487.30
  4. Step 4: Simplify right side
    554,429.70x = 251,561,914,489.22
  5. Step 5: Solve for x
    x = 251,561,914,489.22/554,429.70
  6. Step 6: Final answer
    x = 453,730.95

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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.