Home / 909,998.08-1,365,259.44-279,004.96

Finding the Fourth Proportional to 909,998.08, 1,365,259.44 and 279,004.96

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Solution

The fourth proportional to 909,998.08, 1,365,259.44 and 279,004.96 is: 418,587.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,998.08 : 1,365,259.44 = 279,004.96 : x
  2. Step 2: Convert to fraction form
    909,998.08/1,365,259.44 = 279,004.96/x
  3. Step 3: Cross multiply
    909,998.08x = 1,365,259.44 × 279,004.96
  4. Step 4: Simplify right side
    909,998.08x = 380,914,155,446.82
  5. Step 5: Solve for x
    x = 380,914,155,446.82/909,998.08
  6. Step 6: Final answer
    x = 418,587.87

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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.