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Finding the Fourth Proportional to 579,809.68, 799,396.68 and 375,499.60

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Solution

The fourth proportional to 579,809.68, 799,396.68 and 375,499.60 is: 517,709.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,809.68 : 799,396.68 = 375,499.60 : x
  2. Step 2: Convert to fraction form
    579,809.68/799,396.68 = 375,499.60/x
  3. Step 3: Cross multiply
    579,809.68x = 799,396.68 × 375,499.60
  4. Step 4: Simplify right side
    579,809.68x = 300,173,133,581.33
  5. Step 5: Solve for x
    x = 300,173,133,581.33/579,809.68
  6. Step 6: Final answer
    x = 517,709.77

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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.