Home / 727,670.96-1,004,183.40-405,362

Finding the Fourth Proportional to 727,670.96, 1,004,183.40 and 405,362

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Solution

The fourth proportional to 727,670.96, 1,004,183.40 and 405,362 is: 559,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,670.96 : 1,004,183.40 = 405,362 : x
  2. Step 2: Convert to fraction form
    727,670.96/1,004,183.40 = 405,362/x
  3. Step 3: Cross multiply
    727,670.96x = 1,004,183.40 × 405,362
  4. Step 4: Simplify right side
    727,670.96x = 407,057,791,390.80
  5. Step 5: Solve for x
    x = 407,057,791,390.80/727,670.96
  6. Step 6: Final answer
    x = 559,398.15

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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.