Home / 554,089.50-831,507.91-217,087.89

Finding the Fourth Proportional to 554,089.50, 831,507.91 and 217,087.89

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Solution

The fourth proportional to 554,089.50, 831,507.91 and 217,087.89 is: 325,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,089.50 : 831,507.91 = 217,087.89 : x
  2. Step 2: Convert to fraction form
    554,089.50/831,507.91 = 217,087.89/x
  3. Step 3: Cross multiply
    554,089.50x = 831,507.91 × 217,087.89
  4. Step 4: Simplify right side
    554,089.50x = 180,510,297,700.21
  5. Step 5: Solve for x
    x = 180,510,297,700.21/554,089.50
  6. Step 6: Final answer
    x = 325,778.23

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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.