Home / 531,512.03-733,465.46-313,790.85

Finding the Fourth Proportional to 531,512.03, 733,465.46 and 313,790.85

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Solution

The fourth proportional to 531,512.03, 733,465.46 and 313,790.85 is: 433,018.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,512.03 : 733,465.46 = 313,790.85 : x
  2. Step 2: Convert to fraction form
    531,512.03/733,465.46 = 313,790.85/x
  3. Step 3: Cross multiply
    531,512.03x = 733,465.46 × 313,790.85
  4. Step 4: Simplify right side
    531,512.03x = 230,154,750,923.52
  5. Step 5: Solve for x
    x = 230,154,750,923.52/531,512.03
  6. Step 6: Final answer
    x = 433,018.89

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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.