Home / 412,831.80-619,247.70-369,529.20

Finding the Fourth Proportional to 412,831.80, 619,247.70 and 369,529.20

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Solution

The fourth proportional to 412,831.80, 619,247.70 and 369,529.20 is: 554,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,831.80 : 619,247.70 = 369,529.20 : x
  2. Step 2: Convert to fraction form
    412,831.80/619,247.70 = 369,529.20/x
  3. Step 3: Cross multiply
    412,831.80x = 619,247.70 × 369,529.20
  4. Step 4: Simplify right side
    412,831.80x = 228,830,107,182.84
  5. Step 5: Solve for x
    x = 228,830,107,182.84/412,831.80
  6. Step 6: Final answer
    x = 554,293.80

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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.