Home / 628,438.66-867,094.18-370,326.18

Finding the Fourth Proportional to 628,438.66, 867,094.18 and 370,326.18

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Solution

The fourth proportional to 628,438.66, 867,094.18 and 370,326.18 is: 510,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,438.66 : 867,094.18 = 370,326.18 : x
  2. Step 2: Convert to fraction form
    628,438.66/867,094.18 = 370,326.18/x
  3. Step 3: Cross multiply
    628,438.66x = 867,094.18 × 370,326.18
  4. Step 4: Simplify right side
    628,438.66x = 321,107,675,379.63
  5. Step 5: Solve for x
    x = 321,107,675,379.63/628,438.66
  6. Step 6: Final answer
    x = 510,961.05

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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.