Home / 628,755.20-942,564.03-229,302.38

Finding the Fourth Proportional to 628,755.20, 942,564.03 and 229,302.38

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Solution

The fourth proportional to 628,755.20, 942,564.03 and 229,302.38 is: 343,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,755.20 : 942,564.03 = 229,302.38 : x
  2. Step 2: Convert to fraction form
    628,755.20/942,564.03 = 229,302.38/x
  3. Step 3: Cross multiply
    628,755.20x = 942,564.03 × 229,302.38
  4. Step 4: Simplify right side
    628,755.20x = 216,132,175,381.39
  5. Step 5: Solve for x
    x = 216,132,175,381.39/628,755.20
  6. Step 6: Final answer
    x = 343,746.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.