Home / 470,977.68-649,966.28-269,812.56

Finding the Fourth Proportional to 470,977.68, 649,966.28 and 269,812.56

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Solution

The fourth proportional to 470,977.68, 649,966.28 and 269,812.56 is: 372,351.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,977.68 : 649,966.28 = 269,812.56 : x
  2. Step 2: Convert to fraction form
    470,977.68/649,966.28 = 269,812.56/x
  3. Step 3: Cross multiply
    470,977.68x = 649,966.28 × 269,812.56
  4. Step 4: Simplify right side
    470,977.68x = 175,369,065,920.48
  5. Step 5: Solve for x
    x = 175,369,065,920.48/470,977.68
  6. Step 6: Final answer
    x = 372,351.12

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1.5x scale

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.