Home / 873,631.37-1,311,045.54-305,012.54

Finding the Fourth Proportional to 873,631.37, 1,311,045.54 and 305,012.54

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Solution

The fourth proportional to 873,631.37, 1,311,045.54 and 305,012.54 is: 457,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,631.37 : 1,311,045.54 = 305,012.54 : x
  2. Step 2: Convert to fraction form
    873,631.37/1,311,045.54 = 305,012.54/x
  3. Step 3: Cross multiply
    873,631.37x = 1,311,045.54 × 305,012.54
  4. Step 4: Simplify right side
    873,631.37x = 399,885,323,655.84
  5. Step 5: Solve for x
    x = 399,885,323,655.84/873,631.37
  6. Step 6: Final answer
    x = 457,727.76

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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.