Home / 769,894.47-1,154,822.27-208,914.39

Finding the Fourth Proportional to 769,894.47, 1,154,822.27 and 208,914.39

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Solution

The fourth proportional to 769,894.47, 1,154,822.27 and 208,914.39 is: 313,366.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,894.47 : 1,154,822.27 = 208,914.39 : x
  2. Step 2: Convert to fraction form
    769,894.47/1,154,822.27 = 208,914.39/x
  3. Step 3: Cross multiply
    769,894.47x = 1,154,822.27 × 208,914.39
  4. Step 4: Simplify right side
    769,894.47x = 241,258,989,050.89
  5. Step 5: Solve for x
    x = 241,258,989,050.89/769,894.47
  6. Step 6: Final answer
    x = 313,366.31

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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.