Home / 628,913.03-943,079.15-202,369.46

Finding the Fourth Proportional to 628,913.03, 943,079.15 and 202,369.46

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Solution

The fourth proportional to 628,913.03, 943,079.15 and 202,369.46 is: 303,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,913.03 : 943,079.15 = 202,369.46 : x
  2. Step 2: Convert to fraction form
    628,913.03/943,079.15 = 202,369.46/x
  3. Step 3: Cross multiply
    628,913.03x = 943,079.15 × 202,369.46
  4. Step 4: Simplify right side
    628,913.03x = 190,850,414,113.29
  5. Step 5: Solve for x
    x = 190,850,414,113.29/628,913.03
  6. Step 6: Final answer
    x = 303,460.74

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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.