Home / 669,080.54-1,003,612.14-163,645.70

Finding the Fourth Proportional to 669,080.54, 1,003,612.14 and 163,645.70

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Solution

The fourth proportional to 669,080.54, 1,003,612.14 and 163,645.70 is: 245,466.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,080.54 : 1,003,612.14 = 163,645.70 : x
  2. Step 2: Convert to fraction form
    669,080.54/1,003,612.14 = 163,645.70/x
  3. Step 3: Cross multiply
    669,080.54x = 1,003,612.14 × 163,645.70
  4. Step 4: Simplify right side
    669,080.54x = 164,236,806,160.74
  5. Step 5: Solve for x
    x = 164,236,806,160.74/669,080.54
  6. Step 6: Final answer
    x = 245,466.42

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Double scale
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Similar ratio
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1.5x scale

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.