Home / 756,819.03-1,133,943.90-456,668.92

Finding the Fourth Proportional to 756,819.03, 1,133,943.90 and 456,668.92

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Solution

The fourth proportional to 756,819.03, 1,133,943.90 and 456,668.92 is: 684,228.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,819.03 : 1,133,943.90 = 456,668.92 : x
  2. Step 2: Convert to fraction form
    756,819.03/1,133,943.90 = 456,668.92/x
  3. Step 3: Cross multiply
    756,819.03x = 1,133,943.90 × 456,668.92
  4. Step 4: Simplify right side
    756,819.03x = 517,836,936,153.59
  5. Step 5: Solve for x
    x = 517,836,936,153.59/756,819.03
  6. Step 6: Final answer
    x = 684,228.22

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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.