Home / 644,027.80-966,041.70-329,099.80

Finding the Fourth Proportional to 644,027.80, 966,041.70 and 329,099.80

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Solution

The fourth proportional to 644,027.80, 966,041.70 and 329,099.80 is: 493,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,027.80 : 966,041.70 = 329,099.80 : x
  2. Step 2: Convert to fraction form
    644,027.80/966,041.70 = 329,099.80/x
  3. Step 3: Cross multiply
    644,027.80x = 966,041.70 × 329,099.80
  4. Step 4: Simplify right side
    644,027.80x = 317,924,130,261.66
  5. Step 5: Solve for x
    x = 317,924,130,261.66/644,027.80
  6. Step 6: Final answer
    x = 493,649.70

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Similar ratio
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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.