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Finding the Fourth Proportional to 889,407, 1,334,248.74 and 298,569.24

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Solution

The fourth proportional to 889,407, 1,334,248.74 and 298,569.24 is: 447,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,407 : 1,334,248.74 = 298,569.24 : x
  2. Step 2: Convert to fraction form
    889,407/1,334,248.74 = 298,569.24/x
  3. Step 3: Cross multiply
    889,407x = 1,334,248.74 × 298,569.24
  4. Step 4: Simplify right side
    889,407x = 398,365,632,272.76
  5. Step 5: Solve for x
    x = 398,365,632,272.76/889,407
  6. Step 6: Final answer
    x = 447,900.27

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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.