Home / 903,992.58-1,355,998.59-272,911.86

Finding the Fourth Proportional to 903,992.58, 1,355,998.59 and 272,911.86

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Solution

The fourth proportional to 903,992.58, 1,355,998.59 and 272,911.86 is: 409,370.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,992.58 : 1,355,998.59 = 272,911.86 : x
  2. Step 2: Convert to fraction form
    903,992.58/1,355,998.59 = 272,911.86/x
  3. Step 3: Cross multiply
    903,992.58x = 1,355,998.59 × 272,911.86
  4. Step 4: Simplify right side
    903,992.58x = 370,068,097,354.28
  5. Step 5: Solve for x
    x = 370,068,097,354.28/903,992.58
  6. Step 6: Final answer
    x = 409,370.72

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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.