Home / 648,630.32-973,543.46-329,006.48

Finding the Fourth Proportional to 648,630.32, 973,543.46 and 329,006.48

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Solution

The fourth proportional to 648,630.32, 973,543.46 and 329,006.48 is: 493,813.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,630.32 : 973,543.46 = 329,006.48 : x
  2. Step 2: Convert to fraction form
    648,630.32/973,543.46 = 329,006.48/x
  3. Step 3: Cross multiply
    648,630.32x = 973,543.46 × 329,006.48
  4. Step 4: Simplify right side
    648,630.32x = 320,302,100,388.87
  5. Step 5: Solve for x
    x = 320,302,100,388.87/648,630.32
  6. Step 6: Final answer
    x = 493,813.03

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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.