Home / 919,932.40-1,379,801.52-246,081.72

Finding the Fourth Proportional to 919,932.40, 1,379,801.52 and 246,081.72

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Solution

The fourth proportional to 919,932.40, 1,379,801.52 and 246,081.72 is: 369,096.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,932.40 : 1,379,801.52 = 246,081.72 : x
  2. Step 2: Convert to fraction form
    919,932.40/1,379,801.52 = 246,081.72/x
  3. Step 3: Cross multiply
    919,932.40x = 1,379,801.52 × 246,081.72
  4. Step 4: Simplify right side
    919,932.40x = 339,543,931,300.21
  5. Step 5: Solve for x
    x = 339,543,931,300.21/919,932.40
  6. Step 6: Final answer
    x = 369,096.61

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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.