Home / 470,977.47-649,965.96-269,812.35

Finding the Fourth Proportional to 470,977.47, 649,965.96 and 269,812.35

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Solution

The fourth proportional to 470,977.47, 649,965.96 and 269,812.35 is: 372,350.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,977.47 : 649,965.96 = 269,812.35 : x
  2. Step 2: Convert to fraction form
    470,977.47/649,965.96 = 269,812.35/x
  3. Step 3: Cross multiply
    470,977.47x = 649,965.96 × 269,812.35
  4. Step 4: Simplify right side
    470,977.47x = 175,368,843,087.61
  5. Step 5: Solve for x
    x = 175,368,843,087.61/470,977.47
  6. Step 6: Final answer
    x = 372,350.81

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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.