Home / 918,680.49-1,267,850.10-551,171.48

Finding the Fourth Proportional to 918,680.49, 1,267,850.10 and 551,171.48

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Solution

The fourth proportional to 918,680.49, 1,267,850.10 and 551,171.48 is: 760,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,680.49 : 1,267,850.10 = 551,171.48 : x
  2. Step 2: Convert to fraction form
    918,680.49/1,267,850.10 = 551,171.48/x
  3. Step 3: Cross multiply
    918,680.49x = 1,267,850.10 × 551,171.48
  4. Step 4: Simplify right side
    918,680.49x = 698,802,809,695.90
  5. Step 5: Solve for x
    x = 698,802,809,695.90/918,680.49
  6. Step 6: Final answer
    x = 760,659.25

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1.5x scale

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.