Home / 920,590.20-1,380,963.24-281,037.24

Finding the Fourth Proportional to 920,590.20, 1,380,963.24 and 281,037.24

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Solution

The fourth proportional to 920,590.20, 1,380,963.24 and 281,037.24 is: 421,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,590.20 : 1,380,963.24 = 281,037.24 : x
  2. Step 2: Convert to fraction form
    920,590.20/1,380,963.24 = 281,037.24/x
  3. Step 3: Cross multiply
    920,590.20x = 1,380,963.24 × 281,037.24
  4. Step 4: Simplify right side
    920,590.20x = 388,102,097,511.06
  5. Step 5: Solve for x
    x = 388,102,097,511.06/920,590.20
  6. Step 6: Final answer
    x = 421,579.65

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Double scale
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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.