Home / 554,474.20-831,711.30-302,531.80

Finding the Fourth Proportional to 554,474.20, 831,711.30 and 302,531.80

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Solution

The fourth proportional to 554,474.20, 831,711.30 and 302,531.80 is: 453,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,474.20 : 831,711.30 = 302,531.80 : x
  2. Step 2: Convert to fraction form
    554,474.20/831,711.30 = 302,531.80/x
  3. Step 3: Cross multiply
    554,474.20x = 831,711.30 × 302,531.80
  4. Step 4: Simplify right side
    554,474.20x = 251,619,116,669.34
  5. Step 5: Solve for x
    x = 251,619,116,669.34/554,474.20
  6. Step 6: Final answer
    x = 453,797.70

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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.