Home / 851,096.60-1,276,936.53-290,524.76

Finding the Fourth Proportional to 851,096.60, 1,276,936.53 and 290,524.76

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Solution

The fourth proportional to 851,096.60, 1,276,936.53 and 290,524.76 is: 435,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,096.60 : 1,276,936.53 = 290,524.76 : x
  2. Step 2: Convert to fraction form
    851,096.60/1,276,936.53 = 290,524.76/x
  3. Step 3: Cross multiply
    851,096.60x = 1,276,936.53 × 290,524.76
  4. Step 4: Simplify right side
    851,096.60x = 370,981,678,913.48
  5. Step 5: Solve for x
    x = 370,981,678,913.48/851,096.60
  6. Step 6: Final answer
    x = 435,886.69

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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.