Home / 719,377.38-1,079,384.40-377,740.44

Finding the Fourth Proportional to 719,377.38, 1,079,384.40 and 377,740.44

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Solution

The fourth proportional to 719,377.38, 1,079,384.40 and 377,740.44 is: 566,777.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,377.38 : 1,079,384.40 = 377,740.44 : x
  2. Step 2: Convert to fraction form
    719,377.38/1,079,384.40 = 377,740.44/x
  3. Step 3: Cross multiply
    719,377.38x = 1,079,384.40 × 377,740.44
  4. Step 4: Simplify right side
    719,377.38x = 407,727,138,185.14
  5. Step 5: Solve for x
    x = 407,727,138,185.14/719,377.38
  6. Step 6: Final answer
    x = 566,777.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.