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Finding the Fourth Proportional to 889,181, 1,227,069.84 and 486,773

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Solution

The fourth proportional to 889,181, 1,227,069.84 and 486,773 is: 671,746.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,181 : 1,227,069.84 = 486,773 : x
  2. Step 2: Convert to fraction form
    889,181/1,227,069.84 = 486,773/x
  3. Step 3: Cross multiply
    889,181x = 1,227,069.84 × 486,773
  4. Step 4: Simplify right side
    889,181x = 597,304,467,226.32
  5. Step 5: Solve for x
    x = 597,304,467,226.32/889,181
  6. Step 6: Final answer
    x = 671,746.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.