Home / 648,744.98-973,294.98-312,067.12

Finding the Fourth Proportional to 648,744.98, 973,294.98 and 312,067.12

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Solution

The fourth proportional to 648,744.98, 973,294.98 and 312,067.12 is: 468,186.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,744.98 : 973,294.98 = 312,067.12 : x
  2. Step 2: Convert to fraction form
    648,744.98/973,294.98 = 312,067.12/x
  3. Step 3: Cross multiply
    648,744.98x = 973,294.98 × 312,067.12
  4. Step 4: Simplify right side
    648,744.98x = 303,733,361,319.06
  5. Step 5: Solve for x
    x = 303,733,361,319.06/648,744.98
  6. Step 6: Final answer
    x = 468,186.07

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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.