Home / 644,550.42-967,153.23-289,492.02

Finding the Fourth Proportional to 644,550.42, 967,153.23 and 289,492.02

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Solution

The fourth proportional to 644,550.42, 967,153.23 and 289,492.02 is: 434,385.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,550.42 : 967,153.23 = 289,492.02 : x
  2. Step 2: Convert to fraction form
    644,550.42/967,153.23 = 289,492.02/x
  3. Step 3: Cross multiply
    644,550.42x = 967,153.23 × 289,492.02
  4. Step 4: Simplify right side
    644,550.42x = 279,983,142,202.23
  5. Step 5: Solve for x
    x = 279,983,142,202.23/644,550.42
  6. Step 6: Final answer
    x = 434,385.17

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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.