Home / 654,722.63-982,125.45-205,461.21

Finding the Fourth Proportional to 654,722.63, 982,125.45 and 205,461.21

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Solution

The fourth proportional to 654,722.63, 982,125.45 and 205,461.21 is: 308,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,722.63 : 982,125.45 = 205,461.21 : x
  2. Step 2: Convert to fraction form
    654,722.63/982,125.45 = 205,461.21/x
  3. Step 3: Cross multiply
    654,722.63x = 982,125.45 × 205,461.21
  4. Step 4: Simplify right side
    654,722.63x = 201,788,683,328.80
  5. Step 5: Solve for x
    x = 201,788,683,328.80/654,722.63
  6. Step 6: Final answer
    x = 308,204.84

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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.