Home / 978,178.44-1,349,868.96-548,457.24

Finding the Fourth Proportional to 978,178.44, 1,349,868.96 and 548,457.24

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Solution

The fourth proportional to 978,178.44, 1,349,868.96 and 548,457.24 is: 756,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,178.44 : 1,349,868.96 = 548,457.24 : x
  2. Step 2: Convert to fraction form
    978,178.44/1,349,868.96 = 548,457.24/x
  3. Step 3: Cross multiply
    978,178.44x = 1,349,868.96 × 548,457.24
  4. Step 4: Simplify right side
    978,178.44x = 740,345,404,163.27
  5. Step 5: Solve for x
    x = 740,345,404,163.27/978,178.44
  6. Step 6: Final answer
    x = 756,861.30

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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.