Home / 774,110.42-1,068,236.03-429,968.66

Finding the Fourth Proportional to 774,110.42, 1,068,236.03 and 429,968.66

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Solution

The fourth proportional to 774,110.42, 1,068,236.03 and 429,968.66 is: 593,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,110.42 : 1,068,236.03 = 429,968.66 : x
  2. Step 2: Convert to fraction form
    774,110.42/1,068,236.03 = 429,968.66/x
  3. Step 3: Cross multiply
    774,110.42x = 1,068,236.03 × 429,968.66
  4. Step 4: Simplify right side
    774,110.42x = 459,308,006,891.80
  5. Step 5: Solve for x
    x = 459,308,006,891.80/774,110.42
  6. Step 6: Final answer
    x = 593,336.56

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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.