Home / 910,742.32-1,257,633.30-567,168.22

Finding the Fourth Proportional to 910,742.32, 1,257,633.30 and 567,168.22

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Solution

The fourth proportional to 910,742.32, 1,257,633.30 and 567,168.22 is: 783,195.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,742.32 : 1,257,633.30 = 567,168.22 : x
  2. Step 2: Convert to fraction form
    910,742.32/1,257,633.30 = 567,168.22/x
  3. Step 3: Cross multiply
    910,742.32x = 1,257,633.30 × 567,168.22
  4. Step 4: Simplify right side
    910,742.32x = 713,289,640,173.73
  5. Step 5: Solve for x
    x = 713,289,640,173.73/910,742.32
  6. Step 6: Final answer
    x = 783,195.89

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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.