Home / 809,714.70-1,214,600.85-248,748.30

Finding the Fourth Proportional to 809,714.70, 1,214,600.85 and 248,748.30

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Solution

The fourth proportional to 809,714.70, 1,214,600.85 and 248,748.30 is: 373,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,714.70 : 1,214,600.85 = 248,748.30 : x
  2. Step 2: Convert to fraction form
    809,714.70/1,214,600.85 = 248,748.30/x
  3. Step 3: Cross multiply
    809,714.70x = 1,214,600.85 × 248,748.30
  4. Step 4: Simplify right side
    809,714.70x = 302,129,896,616.06
  5. Step 5: Solve for x
    x = 302,129,896,616.06/809,714.70
  6. Step 6: Final answer
    x = 373,131.30

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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.