Home / 628,484.41-867,157.23-370,371.97

Finding the Fourth Proportional to 628,484.41, 867,157.23 and 370,371.97

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Solution

The fourth proportional to 628,484.41, 867,157.23 and 370,371.97 is: 511,024.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,484.41 : 867,157.23 = 370,371.97 : x
  2. Step 2: Convert to fraction form
    628,484.41/867,157.23 = 370,371.97/x
  3. Step 3: Cross multiply
    628,484.41x = 867,157.23 × 370,371.97
  4. Step 4: Simplify right side
    628,484.41x = 321,170,731,574.84
  5. Step 5: Solve for x
    x = 321,170,731,574.84/628,484.41
  6. Step 6: Final answer
    x = 511,024.18

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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.