Home / 746,638.83-1,120,124.09-214,118.91

Finding the Fourth Proportional to 746,638.83, 1,120,124.09 and 214,118.91

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Solution

The fourth proportional to 746,638.83, 1,120,124.09 and 214,118.91 is: 321,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,638.83 : 1,120,124.09 = 214,118.91 : x
  2. Step 2: Convert to fraction form
    746,638.83/1,120,124.09 = 214,118.91/x
  3. Step 3: Cross multiply
    746,638.83x = 1,120,124.09 × 214,118.91
  4. Step 4: Simplify right side
    746,638.83x = 239,839,749,750.84
  5. Step 5: Solve for x
    x = 239,839,749,750.84/746,638.83
  6. Step 6: Final answer
    x = 321,225.93

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1.5x scale

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.