Home / 637,106.58-955,658.72-436,819.78

Finding the Fourth Proportional to 637,106.58, 955,658.72 and 436,819.78

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Solution

The fourth proportional to 637,106.58, 955,658.72 and 436,819.78 is: 655,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,106.58 : 955,658.72 = 436,819.78 : x
  2. Step 2: Convert to fraction form
    637,106.58/955,658.72 = 436,819.78/x
  3. Step 3: Cross multiply
    637,106.58x = 955,658.72 × 436,819.78
  4. Step 4: Simplify right side
    637,106.58x = 417,450,631,825.48
  5. Step 5: Solve for x
    x = 417,450,631,825.48/637,106.58
  6. Step 6: Final answer
    x = 655,228.88

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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.