Home / 762,250.66-1,051,907.42-418,089.39

Finding the Fourth Proportional to 762,250.66, 1,051,907.42 and 418,089.39

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Solution

The fourth proportional to 762,250.66, 1,051,907.42 and 418,089.39 is: 576,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,250.66 : 1,051,907.42 = 418,089.39 : x
  2. Step 2: Convert to fraction form
    762,250.66/1,051,907.42 = 418,089.39/x
  3. Step 3: Cross multiply
    762,250.66x = 1,051,907.42 × 418,089.39
  4. Step 4: Simplify right side
    762,250.66x = 439,791,331,564.27
  5. Step 5: Solve for x
    x = 439,791,331,564.27/762,250.66
  6. Step 6: Final answer
    x = 576,964.19

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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.