Home / 554,469.40-831,701.67-217,271.80

Finding the Fourth Proportional to 554,469.40, 831,701.67 and 217,271.80

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Solution

The fourth proportional to 554,469.40, 831,701.67 and 217,271.80 is: 325,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,469.40 : 831,701.67 = 217,271.80 : x
  2. Step 2: Convert to fraction form
    554,469.40/831,701.67 = 217,271.80/x
  3. Step 3: Cross multiply
    554,469.40x = 831,701.67 × 217,271.80
  4. Step 4: Simplify right side
    554,469.40x = 180,705,318,903.91
  5. Step 5: Solve for x
    x = 180,705,318,903.91/554,469.40
  6. Step 6: Final answer
    x = 325,906.75

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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.