Home / 893,284.69-1,339,173.41-387,464.85

Finding the Fourth Proportional to 893,284.69, 1,339,173.41 and 387,464.85

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Solution

The fourth proportional to 893,284.69, 1,339,173.41 and 387,464.85 is: 580,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,284.69 : 1,339,173.41 = 387,464.85 : x
  2. Step 2: Convert to fraction form
    893,284.69/1,339,173.41 = 387,464.85/x
  3. Step 3: Cross multiply
    893,284.69x = 1,339,173.41 × 387,464.85
  4. Step 4: Simplify right side
    893,284.69x = 518,882,625,840.25
  5. Step 5: Solve for x
    x = 518,882,625,840.25/893,284.69
  6. Step 6: Final answer
    x = 580,870.39

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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.