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Finding the Fourth Proportional to 578,851.35, 798,375.58 and 507,106.81

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Solution

The fourth proportional to 578,851.35, 798,375.58 and 507,106.81 is: 699,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,851.35 : 798,375.58 = 507,106.81 : x
  2. Step 2: Convert to fraction form
    578,851.35/798,375.58 = 507,106.81/x
  3. Step 3: Cross multiply
    578,851.35x = 798,375.58 × 507,106.81
  4. Step 4: Simplify right side
    578,851.35x = 404,861,693,555.70
  5. Step 5: Solve for x
    x = 404,861,693,555.70/578,851.35
  6. Step 6: Final answer
    x = 699,422.56

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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.