Home / 802,299.42-1,107,123.01-439,697.56

Finding the Fourth Proportional to 802,299.42, 1,107,123.01 and 439,697.56

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Solution

The fourth proportional to 802,299.42, 1,107,123.01 and 439,697.56 is: 606,755.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,299.42 : 1,107,123.01 = 439,697.56 : x
  2. Step 2: Convert to fraction form
    802,299.42/1,107,123.01 = 439,697.56/x
  3. Step 3: Cross multiply
    802,299.42x = 1,107,123.01 × 439,697.56
  4. Step 4: Simplify right side
    802,299.42x = 486,799,286,116.86
  5. Step 5: Solve for x
    x = 486,799,286,116.86/802,299.42
  6. Step 6: Final answer
    x = 606,755.13

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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.