Home / 940,423.97-1,298,182.39-634,914.20

Finding the Fourth Proportional to 940,423.97, 1,298,182.39 and 634,914.20

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Solution

The fourth proportional to 940,423.97, 1,298,182.39 and 634,914.20 is: 876,449.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,423.97 : 1,298,182.39 = 634,914.20 : x
  2. Step 2: Convert to fraction form
    940,423.97/1,298,182.39 = 634,914.20/x
  3. Step 3: Cross multiply
    940,423.97x = 1,298,182.39 × 634,914.20
  4. Step 4: Simplify right side
    940,423.97x = 824,234,431,528.23
  5. Step 5: Solve for x
    x = 824,234,431,528.23/940,423.97
  6. Step 6: Final answer
    x = 876,449.83

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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.