Home / 762,286.14-1,051,815.78-439,878.60

Finding the Fourth Proportional to 762,286.14, 1,051,815.78 and 439,878.60

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Solution

The fourth proportional to 762,286.14, 1,051,815.78 and 439,878.60 is: 606,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,286.14 : 1,051,815.78 = 439,878.60 : x
  2. Step 2: Convert to fraction form
    762,286.14/1,051,815.78 = 439,878.60/x
  3. Step 3: Cross multiply
    762,286.14x = 1,051,815.78 × 439,878.60
  4. Step 4: Simplify right side
    762,286.14x = 462,671,252,764.31
  5. Step 5: Solve for x
    x = 462,671,252,764.31/762,286.14
  6. Step 6: Final answer
    x = 606,952.20

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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.