Home / 628,437.91-867,093.15-370,325.43

Finding the Fourth Proportional to 628,437.91, 867,093.15 and 370,325.43

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Solution

The fourth proportional to 628,437.91, 867,093.15 and 370,325.43 is: 510,960.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,437.91 : 867,093.15 = 370,325.43 : x
  2. Step 2: Convert to fraction form
    628,437.91/867,093.15 = 370,325.43/x
  3. Step 3: Cross multiply
    628,437.91x = 867,093.15 × 370,325.43
  4. Step 4: Simplify right side
    628,437.91x = 321,106,638,983.49
  5. Step 5: Solve for x
    x = 321,106,638,983.49/628,437.91
  6. Step 6: Final answer
    x = 510,960.01

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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.