Home / 909,871.45-1,364,757.93-278,787.08

Finding the Fourth Proportional to 909,871.45, 1,364,757.93 and 278,787.08

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Solution

The fourth proportional to 909,871.45, 1,364,757.93 and 278,787.08 is: 418,165.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,871.45 : 1,364,757.93 = 278,787.08 : x
  2. Step 2: Convert to fraction form
    909,871.45/1,364,757.93 = 278,787.08/x
  3. Step 3: Cross multiply
    909,871.45x = 1,364,757.93 × 278,787.08
  4. Step 4: Simplify right side
    909,871.45x = 380,476,881,623.44
  5. Step 5: Solve for x
    x = 380,476,881,623.44/909,871.45
  6. Step 6: Final answer
    x = 418,165.54

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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.