Home / 878,337.60-1,212,110.16-475,929.60

Finding the Fourth Proportional to 878,337.60, 1,212,110.16 and 475,929.60

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Solution

The fourth proportional to 878,337.60, 1,212,110.16 and 475,929.60 is: 656,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,337.60 : 1,212,110.16 = 475,929.60 : x
  2. Step 2: Convert to fraction form
    878,337.60/1,212,110.16 = 475,929.60/x
  3. Step 3: Cross multiply
    878,337.60x = 1,212,110.16 × 475,929.60
  4. Step 4: Simplify right side
    878,337.60x = 576,879,103,604.74
  5. Step 5: Solve for x
    x = 576,879,103,604.74/878,337.60
  6. Step 6: Final answer
    x = 656,785.16

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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.