Home / 940,410.71-1,298,164.02-634,900.88

Finding the Fourth Proportional to 940,410.71, 1,298,164.02 and 634,900.88

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Solution

The fourth proportional to 940,410.71, 1,298,164.02 and 634,900.88 is: 876,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,410.71 : 1,298,164.02 = 634,900.88 : x
  2. Step 2: Convert to fraction form
    940,410.71/1,298,164.02 = 634,900.88/x
  3. Step 3: Cross multiply
    940,410.71x = 1,298,164.02 × 634,900.88
  4. Step 4: Simplify right side
    940,410.71x = 824,205,479,546.87
  5. Step 5: Solve for x
    x = 824,205,479,546.87/940,410.71
  6. Step 6: Final answer
    x = 876,431.41

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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.