Home / 918,577.02-1,267,717.04-505,186.64

Finding the Fourth Proportional to 918,577.02, 1,267,717.04 and 505,186.64

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Solution

The fourth proportional to 918,577.02, 1,267,717.04 and 505,186.64 is: 697,201.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,577.02 : 1,267,717.04 = 505,186.64 : x
  2. Step 2: Convert to fraction form
    918,577.02/1,267,717.04 = 505,186.64/x
  3. Step 3: Cross multiply
    918,577.02x = 1,267,717.04 × 505,186.64
  4. Step 4: Simplify right side
    918,577.02x = 640,433,706,832.73
  5. Step 5: Solve for x
    x = 640,433,706,832.73/918,577.02
  6. Step 6: Final answer
    x = 697,201.97

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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.