Home / 669,717.51-1,004,714.67-220,465.34

Finding the Fourth Proportional to 669,717.51, 1,004,714.67 and 220,465.34

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Solution

The fourth proportional to 669,717.51, 1,004,714.67 and 220,465.34 is: 330,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,717.51 : 1,004,714.67 = 220,465.34 : x
  2. Step 2: Convert to fraction form
    669,717.51/1,004,714.67 = 220,465.34/x
  3. Step 3: Cross multiply
    669,717.51x = 1,004,714.67 × 220,465.34
  4. Step 4: Simplify right side
    669,717.51x = 221,504,760,068.64
  5. Step 5: Solve for x
    x = 221,504,760,068.64/669,717.51
  6. Step 6: Final answer
    x = 330,743.57

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Double scale
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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.