Home / 980,434.88-1,470,790.56-349,161.92

Finding the Fourth Proportional to 980,434.88, 1,470,790.56 and 349,161.92

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Solution

The fourth proportional to 980,434.88, 1,470,790.56 and 349,161.92 is: 523,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,434.88 : 1,470,790.56 = 349,161.92 : x
  2. Step 2: Convert to fraction form
    980,434.88/1,470,790.56 = 349,161.92/x
  3. Step 3: Cross multiply
    980,434.88x = 1,470,790.56 × 349,161.92
  4. Step 4: Simplify right side
    980,434.88x = 513,544,055,847.48
  5. Step 5: Solve for x
    x = 513,544,055,847.48/980,434.88
  6. Step 6: Final answer
    x = 523,792.11

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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.