Home / 762,221.94-1,051,884.78-418,071.98

Finding the Fourth Proportional to 762,221.94, 1,051,884.78 and 418,071.98

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Solution

The fourth proportional to 762,221.94, 1,051,884.78 and 418,071.98 is: 576,949.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,221.94 : 1,051,884.78 = 418,071.98 : x
  2. Step 2: Convert to fraction form
    762,221.94/1,051,884.78 = 418,071.98/x
  3. Step 3: Cross multiply
    762,221.94x = 1,051,884.78 × 418,071.98
  4. Step 4: Simplify right side
    762,221.94x = 439,763,552,706.46
  5. Step 5: Solve for x
    x = 439,763,552,706.46/762,221.94
  6. Step 6: Final answer
    x = 576,949.48

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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.