Home / 918,812.64-1,267,859.96-551,270.24

Finding the Fourth Proportional to 918,812.64, 1,267,859.96 and 551,270.24

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Solution

The fourth proportional to 918,812.64, 1,267,859.96 and 551,270.24 is: 760,692.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,812.64 : 1,267,859.96 = 551,270.24 : x
  2. Step 2: Convert to fraction form
    918,812.64/1,267,859.96 = 551,270.24/x
  3. Step 3: Cross multiply
    918,812.64x = 1,267,859.96 × 551,270.24
  4. Step 4: Simplify right side
    918,812.64x = 698,933,464,435.59
  5. Step 5: Solve for x
    x = 698,933,464,435.59/918,812.64
  6. Step 6: Final answer
    x = 760,692.04

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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.