Home / 669,390.36-923,769.28-363,466.56

Finding the Fourth Proportional to 669,390.36, 923,769.28 and 363,466.56

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Solution

The fourth proportional to 669,390.36, 923,769.28 and 363,466.56 is: 501,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,390.36 : 923,769.28 = 363,466.56 : x
  2. Step 2: Convert to fraction form
    669,390.36/923,769.28 = 363,466.56/x
  3. Step 3: Cross multiply
    669,390.36x = 923,769.28 × 363,466.56
  4. Step 4: Simplify right side
    669,390.36x = 335,759,242,435.28
  5. Step 5: Solve for x
    x = 335,759,242,435.28/669,390.36
  6. Step 6: Final answer
    x = 501,589.60

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Double scale
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1.5x scale

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.