Home / 839,830.25-1,259,746.36-208,744.07

Finding the Fourth Proportional to 839,830.25, 1,259,746.36 and 208,744.07

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Solution

The fourth proportional to 839,830.25, 1,259,746.36 and 208,744.07 is: 313,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,830.25 : 1,259,746.36 = 208,744.07 : x
  2. Step 2: Convert to fraction form
    839,830.25/1,259,746.36 = 208,744.07/x
  3. Step 3: Cross multiply
    839,830.25x = 1,259,746.36 × 208,744.07
  4. Step 4: Simplify right side
    839,830.25x = 262,964,575,533.49
  5. Step 5: Solve for x
    x = 262,964,575,533.49/839,830.25
  6. Step 6: Final answer
    x = 313,116.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.