Home / 669,318.94-923,655.01-363,389.32

Finding the Fourth Proportional to 669,318.94, 923,655.01 and 363,389.32

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Solution

The fourth proportional to 669,318.94, 923,655.01 and 363,389.32 is: 501,474.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,318.94 : 923,655.01 = 363,389.32 : x
  2. Step 2: Convert to fraction form
    669,318.94/923,655.01 = 363,389.32/x
  3. Step 3: Cross multiply
    669,318.94x = 923,655.01 × 363,389.32
  4. Step 4: Simplify right side
    669,318.94x = 335,646,359,563.27
  5. Step 5: Solve for x
    x = 335,646,359,563.27/669,318.94
  6. Step 6: Final answer
    x = 501,474.47

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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.