Home / 674,071.97-930,225.68-383,669.36

Finding the Fourth Proportional to 674,071.97, 930,225.68 and 383,669.36

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Solution

The fourth proportional to 674,071.97, 930,225.68 and 383,669.36 is: 529,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,071.97 : 930,225.68 = 383,669.36 : x
  2. Step 2: Convert to fraction form
    674,071.97/930,225.68 = 383,669.36/x
  3. Step 3: Cross multiply
    674,071.97x = 930,225.68 × 383,669.36
  4. Step 4: Simplify right side
    674,071.97x = 356,899,084,731.69
  5. Step 5: Solve for x
    x = 356,899,084,731.69/674,071.97
  6. Step 6: Final answer
    x = 529,467.33

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1.5x scale

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.