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Finding the Fourth Proportional to 889,978.92, 1,334,035.26 and 416,265

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Solution

The fourth proportional to 889,978.92, 1,334,035.26 and 416,265 is: 623,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,978.92 : 1,334,035.26 = 416,265 : x
  2. Step 2: Convert to fraction form
    889,978.92/1,334,035.26 = 416,265/x
  3. Step 3: Cross multiply
    889,978.92x = 1,334,035.26 × 416,265
  4. Step 4: Simplify right side
    889,978.92x = 555,312,187,503.90
  5. Step 5: Solve for x
    x = 555,312,187,503.90/889,978.92
  6. Step 6: Final answer
    x = 623,961.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.