Home / 889,663.77-1,334,629.31-258,495.57

Finding the Fourth Proportional to 889,663.77, 1,334,629.31 and 258,495.57

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Solution

The fourth proportional to 889,663.77, 1,334,629.31 and 258,495.57 is: 387,782.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,663.77 : 1,334,629.31 = 258,495.57 : x
  2. Step 2: Convert to fraction form
    889,663.77/1,334,629.31 = 258,495.57/x
  3. Step 3: Cross multiply
    889,663.77x = 1,334,629.31 × 258,495.57
  4. Step 4: Simplify right side
    889,663.77x = 344,995,762,934.68
  5. Step 5: Solve for x
    x = 344,995,762,934.68/889,663.77
  6. Step 6: Final answer
    x = 387,782.19

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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.