Home / 644,344.58-966,504.23-260,083.21

Finding the Fourth Proportional to 644,344.58, 966,504.23 and 260,083.21

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Solution

The fourth proportional to 644,344.58, 966,504.23 and 260,083.21 is: 390,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,344.58 : 966,504.23 = 260,083.21 : x
  2. Step 2: Convert to fraction form
    644,344.58/966,504.23 = 260,083.21/x
  3. Step 3: Cross multiply
    644,344.58x = 966,504.23 × 260,083.21
  4. Step 4: Simplify right side
    644,344.58x = 251,371,525,878.12
  5. Step 5: Solve for x
    x = 251,371,525,878.12/644,344.58
  6. Step 6: Final answer
    x = 390,119.72

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1.5x scale

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.