Home / 979,039.32-1,468,558.89-305,174.94

Finding the Fourth Proportional to 979,039.32, 1,468,558.89 and 305,174.94

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Solution

The fourth proportional to 979,039.32, 1,468,558.89 and 305,174.94 is: 457,762.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,039.32 : 1,468,558.89 = 305,174.94 : x
  2. Step 2: Convert to fraction form
    979,039.32/1,468,558.89 = 305,174.94/x
  3. Step 3: Cross multiply
    979,039.32x = 1,468,558.89 × 305,174.94
  4. Step 4: Simplify right side
    979,039.32x = 448,167,371,142.22
  5. Step 5: Solve for x
    x = 448,167,371,142.22/979,039.32
  6. Step 6: Final answer
    x = 457,762.38

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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.