Home / 628,101.71-941,582.39-228,459.95

Finding the Fourth Proportional to 628,101.71, 941,582.39 and 228,459.95

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Solution

The fourth proportional to 628,101.71, 941,582.39 and 228,459.95 is: 342,482.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,101.71 : 941,582.39 = 228,459.95 : x
  2. Step 2: Convert to fraction form
    628,101.71/941,582.39 = 228,459.95/x
  3. Step 3: Cross multiply
    628,101.71x = 941,582.39 × 228,459.95
  4. Step 4: Simplify right side
    628,101.71x = 215,113,859,890.07
  5. Step 5: Solve for x
    x = 215,113,859,890.07/628,101.71
  6. Step 6: Final answer
    x = 342,482.53

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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.