Home / 848,311.86-1,272,434.55-287,346.34

Finding the Fourth Proportional to 848,311.86, 1,272,434.55 and 287,346.34

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Solution

The fourth proportional to 848,311.86, 1,272,434.55 and 287,346.34 is: 431,008.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,311.86 : 1,272,434.55 = 287,346.34 : x
  2. Step 2: Convert to fraction form
    848,311.86/1,272,434.55 = 287,346.34/x
  3. Step 3: Cross multiply
    848,311.86x = 1,272,434.55 × 287,346.34
  4. Step 4: Simplify right side
    848,311.86x = 365,629,410,832.05
  5. Step 5: Solve for x
    x = 365,629,410,832.05/848,311.86
  6. Step 6: Final answer
    x = 431,008.25

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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.