Home / 727,870.56-1,004,451.21-405,594.24

Finding the Fourth Proportional to 727,870.56, 1,004,451.21 and 405,594.24

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Solution

The fourth proportional to 727,870.56, 1,004,451.21 and 405,594.24 is: 559,714.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,870.56 : 1,004,451.21 = 405,594.24 : x
  2. Step 2: Convert to fraction form
    727,870.56/1,004,451.21 = 405,594.24/x
  3. Step 3: Cross multiply
    727,870.56x = 1,004,451.21 × 405,594.24
  4. Step 4: Simplify right side
    727,870.56x = 407,399,625,137.03
  5. Step 5: Solve for x
    x = 407,399,625,137.03/727,870.56
  6. Step 6: Final answer
    x = 559,714.39

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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.