Home / 628,494.84-867,416.29-370,289.23

Finding the Fourth Proportional to 628,494.84, 867,416.29 and 370,289.23

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Solution

The fourth proportional to 628,494.84, 867,416.29 and 370,289.23 is: 511,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,494.84 : 867,416.29 = 370,289.23 : x
  2. Step 2: Convert to fraction form
    628,494.84/867,416.29 = 370,289.23/x
  3. Step 3: Cross multiply
    628,494.84x = 867,416.29 × 370,289.23
  4. Step 4: Simplify right side
    628,494.84x = 321,194,907,019.29
  5. Step 5: Solve for x
    x = 321,194,907,019.29/628,494.84
  6. Step 6: Final answer
    x = 511,054.17

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