Home / 743,219.83-1,114,852.89-353,640.88

Finding the Fourth Proportional to 743,219.83, 1,114,852.89 and 353,640.88

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Solution

The fourth proportional to 743,219.83, 1,114,852.89 and 353,640.88 is: 530,472.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,219.83 : 1,114,852.89 = 353,640.88 : x
  2. Step 2: Convert to fraction form
    743,219.83/1,114,852.89 = 353,640.88/x
  3. Step 3: Cross multiply
    743,219.83x = 1,114,852.89 × 353,640.88
  4. Step 4: Simplify right side
    743,219.83x = 394,257,557,090.14
  5. Step 5: Solve for x
    x = 394,257,557,090.14/743,219.83
  6. Step 6: Final answer
    x = 530,472.33

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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.