Home / 749,872.68-1,034,844.60-459,479.20

Finding the Fourth Proportional to 749,872.68, 1,034,844.60 and 459,479.20

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Solution

The fourth proportional to 749,872.68, 1,034,844.60 and 459,479.20 is: 634,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,872.68 : 1,034,844.60 = 459,479.20 : x
  2. Step 2: Convert to fraction form
    749,872.68/1,034,844.60 = 459,479.20/x
  3. Step 3: Cross multiply
    749,872.68x = 1,034,844.60 × 459,479.20
  4. Step 4: Simplify right side
    749,872.68x = 475,489,568,932.32
  5. Step 5: Solve for x
    x = 475,489,568,932.32/749,872.68
  6. Step 6: Final answer
    x = 634,093.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.