Home / 848,276.60-1,272,414.90-257,300.60

Finding the Fourth Proportional to 848,276.60, 1,272,414.90 and 257,300.60

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Solution

The fourth proportional to 848,276.60, 1,272,414.90 and 257,300.60 is: 385,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,276.60 : 1,272,414.90 = 257,300.60 : x
  2. Step 2: Convert to fraction form
    848,276.60/1,272,414.90 = 257,300.60/x
  3. Step 3: Cross multiply
    848,276.60x = 1,272,414.90 × 257,300.60
  4. Step 4: Simplify right side
    848,276.60x = 327,393,117,218.94
  5. Step 5: Solve for x
    x = 327,393,117,218.94/848,276.60
  6. Step 6: Final answer
    x = 385,950.90

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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.