Home / 761,450.09-1,142,177.83-192,831.03

Finding the Fourth Proportional to 761,450.09, 1,142,177.83 and 192,831.03

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Solution

The fourth proportional to 761,450.09, 1,142,177.83 and 192,831.03 is: 289,247.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,450.09 : 1,142,177.83 = 192,831.03 : x
  2. Step 2: Convert to fraction form
    761,450.09/1,142,177.83 = 192,831.03/x
  3. Step 3: Cross multiply
    761,450.09x = 1,142,177.83 × 192,831.03
  4. Step 4: Simplify right side
    761,450.09x = 220,247,326,919.99
  5. Step 5: Solve for x
    x = 220,247,326,919.99/761,450.09
  6. Step 6: Final answer
    x = 289,247.23

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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.