Home / 848,853.83-1,273,620.98-309,147.71

Finding the Fourth Proportional to 848,853.83, 1,273,620.98 and 309,147.71

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Solution

The fourth proportional to 848,853.83, 1,273,620.98 and 309,147.71 is: 463,845.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,853.83 : 1,273,620.98 = 309,147.71 : x
  2. Step 2: Convert to fraction form
    848,853.83/1,273,620.98 = 309,147.71/x
  3. Step 3: Cross multiply
    848,853.83x = 1,273,620.98 × 309,147.71
  4. Step 4: Simplify right side
    848,853.83x = 393,737,003,779.72
  5. Step 5: Solve for x
    x = 393,737,003,779.72/848,853.83
  6. Step 6: Final answer
    x = 463,845.47

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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.