Home / 756,143.35-1,134,215.05-223,622.91

Finding the Fourth Proportional to 756,143.35, 1,134,215.05 and 223,622.91

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Solution

The fourth proportional to 756,143.35, 1,134,215.05 and 223,622.91 is: 335,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,143.35 : 1,134,215.05 = 223,622.91 : x
  2. Step 2: Convert to fraction form
    756,143.35/1,134,215.05 = 223,622.91/x
  3. Step 3: Cross multiply
    756,143.35x = 1,134,215.05 × 223,622.91
  4. Step 4: Simplify right side
    756,143.35x = 253,636,470,046.80
  5. Step 5: Solve for x
    x = 253,636,470,046.80/756,143.35
  6. Step 6: Final answer
    x = 335,434.37

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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.