Home / 886,284.47-1,329,147.84-287,106.61

Finding the Fourth Proportional to 886,284.47, 1,329,147.84 and 287,106.61

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Solution

The fourth proportional to 886,284.47, 1,329,147.84 and 287,106.61 is: 430,569.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,284.47 : 1,329,147.84 = 287,106.61 : x
  2. Step 2: Convert to fraction form
    886,284.47/1,329,147.84 = 287,106.61/x
  3. Step 3: Cross multiply
    886,284.47x = 1,329,147.84 × 287,106.61
  4. Step 4: Simplify right side
    886,284.47x = 381,607,130,531.22
  5. Step 5: Solve for x
    x = 381,607,130,531.22/886,284.47
  6. Step 6: Final answer
    x = 430,569.58

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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.