Home / 912,889.44-1,259,763.84-504,980.64

Finding the Fourth Proportional to 912,889.44, 1,259,763.84 and 504,980.64

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Solution

The fourth proportional to 912,889.44, 1,259,763.84 and 504,980.64 is: 696,860.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,889.44 : 1,259,763.84 = 504,980.64 : x
  2. Step 2: Convert to fraction form
    912,889.44/1,259,763.84 = 504,980.64/x
  3. Step 3: Cross multiply
    912,889.44x = 1,259,763.84 × 504,980.64
  4. Step 4: Simplify right side
    912,889.44x = 636,156,350,172.06
  5. Step 5: Solve for x
    x = 636,156,350,172.06/912,889.44
  6. Step 6: Final answer
    x = 696,860.24

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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.