Home / 669,490.56-923,904.18-367,684.56

Finding the Fourth Proportional to 669,490.56, 923,904.18 and 367,684.56

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Solution

The fourth proportional to 669,490.56, 923,904.18 and 367,684.56 is: 507,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,490.56 : 923,904.18 = 367,684.56 : x
  2. Step 2: Convert to fraction form
    669,490.56/923,904.18 = 367,684.56/x
  3. Step 3: Cross multiply
    669,490.56x = 923,904.18 × 367,684.56
  4. Step 4: Simplify right side
    669,490.56x = 339,705,301,905.46
  5. Step 5: Solve for x
    x = 339,705,301,905.46/669,490.56
  6. Step 6: Final answer
    x = 507,408.65

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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.