Home / 470,988.72-649,981.49-269,823.60

Finding the Fourth Proportional to 470,988.72, 649,981.49 and 269,823.60

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Solution

The fourth proportional to 470,988.72, 649,981.49 and 269,823.60 is: 372,366.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,988.72 : 649,981.49 = 269,823.60 : x
  2. Step 2: Convert to fraction form
    470,988.72/649,981.49 = 269,823.60/x
  3. Step 3: Cross multiply
    470,988.72x = 649,981.49 × 269,823.60
  4. Step 4: Simplify right side
    470,988.72x = 175,380,344,216.05
  5. Step 5: Solve for x
    x = 175,380,344,216.05/470,988.72
  6. Step 6: Final answer
    x = 372,366.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.