Home / 930,589.20-1,395,883.80-331,569.90

Finding the Fourth Proportional to 930,589.20, 1,395,883.80 and 331,569.90

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Solution

The fourth proportional to 930,589.20, 1,395,883.80 and 331,569.90 is: 497,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,589.20 : 1,395,883.80 = 331,569.90 : x
  2. Step 2: Convert to fraction form
    930,589.20/1,395,883.80 = 331,569.90/x
  3. Step 3: Cross multiply
    930,589.20x = 1,395,883.80 × 331,569.90
  4. Step 4: Simplify right side
    930,589.20x = 462,833,051,977.62
  5. Step 5: Solve for x
    x = 462,833,051,977.62/930,589.20
  6. Step 6: Final answer
    x = 497,354.85

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Double scale
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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.