Home / 930,319.53-1,395,134.84-331,119.80

Finding the Fourth Proportional to 930,319.53, 1,395,134.84 and 331,119.80

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Solution

The fourth proportional to 930,319.53, 1,395,134.84 and 331,119.80 is: 496,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,319.53 : 1,395,134.84 = 331,119.80 : x
  2. Step 2: Convert to fraction form
    930,319.53/1,395,134.84 = 331,119.80/x
  3. Step 3: Cross multiply
    930,319.53x = 1,395,134.84 × 331,119.80
  4. Step 4: Simplify right side
    930,319.53x = 461,956,766,415.16
  5. Step 5: Solve for x
    x = 461,956,766,415.16/930,319.53
  6. Step 6: Final answer
    x = 496,557.10

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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.