Home / 903,698.08-1,355,556.84-272,617.36

Finding the Fourth Proportional to 903,698.08, 1,355,556.84 and 272,617.36

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Solution

The fourth proportional to 903,698.08, 1,355,556.84 and 272,617.36 is: 408,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,698.08 : 1,355,556.84 = 272,617.36 : x
  2. Step 2: Convert to fraction form
    903,698.08/1,355,556.84 = 272,617.36/x
  3. Step 3: Cross multiply
    903,698.08x = 1,355,556.84 × 272,617.36
  4. Step 4: Simplify right side
    903,698.08x = 369,548,327,050.74
  5. Step 5: Solve for x
    x = 369,548,327,050.74/903,698.08
  6. Step 6: Final answer
    x = 408,928.97

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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.