Home / 786,269.66-1,179,404.51-253,869.12

Finding the Fourth Proportional to 786,269.66, 1,179,404.51 and 253,869.12

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Solution

The fourth proportional to 786,269.66, 1,179,404.51 and 253,869.12 is: 380,803.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,269.66 : 1,179,404.51 = 253,869.12 : x
  2. Step 2: Convert to fraction form
    786,269.66/1,179,404.51 = 253,869.12/x
  3. Step 3: Cross multiply
    786,269.66x = 1,179,404.51 × 253,869.12
  4. Step 4: Simplify right side
    786,269.66x = 299,414,383,808.39
  5. Step 5: Solve for x
    x = 299,414,383,808.39/786,269.66
  6. Step 6: Final answer
    x = 380,803.69

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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.