Home / 915,858.94-1,374,078.12-410,853.10

Finding the Fourth Proportional to 915,858.94, 1,374,078.12 and 410,853.10

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Solution

The fourth proportional to 915,858.94, 1,374,078.12 and 410,853.10 is: 616,409.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,858.94 : 1,374,078.12 = 410,853.10 : x
  2. Step 2: Convert to fraction form
    915,858.94/1,374,078.12 = 410,853.10/x
  3. Step 3: Cross multiply
    915,858.94x = 1,374,078.12 × 410,853.10
  4. Step 4: Simplify right side
    915,858.94x = 564,544,255,244.17
  5. Step 5: Solve for x
    x = 564,544,255,244.17/915,858.94
  6. Step 6: Final answer
    x = 616,409.61

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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.