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Finding the Fourth Proportional to 554,462.80, 831,694.20 and 302,520.40

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Solution

The fourth proportional to 554,462.80, 831,694.20 and 302,520.40 is: 453,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,462.80 : 831,694.20 = 302,520.40 : x
  2. Step 2: Convert to fraction form
    554,462.80/831,694.20 = 302,520.40/x
  3. Step 3: Cross multiply
    554,462.80x = 831,694.20 × 302,520.40
  4. Step 4: Simplify right side
    554,462.80x = 251,604,462,061.68
  5. Step 5: Solve for x
    x = 251,604,462,061.68/554,462.80
  6. Step 6: Final answer
    x = 453,780.60

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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.