Home / 906,729.78-1,360,045.44-275,594.40

Finding the Fourth Proportional to 906,729.78, 1,360,045.44 and 275,594.40

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Solution

The fourth proportional to 906,729.78, 1,360,045.44 and 275,594.40 is: 413,376.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,729.78 : 1,360,045.44 = 275,594.40 : x
  2. Step 2: Convert to fraction form
    906,729.78/1,360,045.44 = 275,594.40/x
  3. Step 3: Cross multiply
    906,729.78x = 1,360,045.44 × 275,594.40
  4. Step 4: Simplify right side
    906,729.78x = 374,820,907,009.54
  5. Step 5: Solve for x
    x = 374,820,907,009.54/906,729.78
  6. Step 6: Final answer
    x = 413,376.64

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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.