Home / 648,761.18-973,349.98-311,826.26

Finding the Fourth Proportional to 648,761.18, 973,349.98 and 311,826.26

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Solution

The fourth proportional to 648,761.18, 973,349.98 and 311,826.26 is: 467,839.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,761.18 : 973,349.98 = 311,826.26 : x
  2. Step 2: Convert to fraction form
    648,761.18/973,349.98 = 311,826.26/x
  3. Step 3: Cross multiply
    648,761.18x = 973,349.98 × 311,826.26
  4. Step 4: Simplify right side
    648,761.18x = 303,516,085,588.28
  5. Step 5: Solve for x
    x = 303,516,085,588.28/648,761.18
  6. Step 6: Final answer
    x = 467,839.47

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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.