Home / 744,219.85-1,114,921.18-439,703.33

Finding the Fourth Proportional to 744,219.85, 1,114,921.18 and 439,703.33

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Solution

The fourth proportional to 744,219.85, 1,114,921.18 and 439,703.33 is: 658,722.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,219.85 : 1,114,921.18 = 439,703.33 : x
  2. Step 2: Convert to fraction form
    744,219.85/1,114,921.18 = 439,703.33/x
  3. Step 3: Cross multiply
    744,219.85x = 1,114,921.18 × 439,703.33
  4. Step 4: Simplify right side
    744,219.85x = 490,234,553,335.01
  5. Step 5: Solve for x
    x = 490,234,553,335.01/744,219.85
  6. Step 6: Final answer
    x = 658,722.76

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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.