Home / 669,244.47-1,003,879.65-163,809.78

Finding the Fourth Proportional to 669,244.47, 1,003,879.65 and 163,809.78

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Solution

The fourth proportional to 669,244.47, 1,003,879.65 and 163,809.78 is: 245,717.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,244.47 : 1,003,879.65 = 163,809.78 : x
  2. Step 2: Convert to fraction form
    669,244.47/1,003,879.65 = 163,809.78/x
  3. Step 3: Cross multiply
    669,244.47x = 1,003,879.65 × 163,809.78
  4. Step 4: Simplify right side
    669,244.47x = 164,445,304,612.98
  5. Step 5: Solve for x
    x = 164,445,304,612.98/669,244.47
  6. Step 6: Final answer
    x = 245,717.84

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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.