Home / 501,448.20-751,465.04-276,909.72

Finding the Fourth Proportional to 501,448.20, 751,465.04 and 276,909.72

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Solution

The fourth proportional to 501,448.20, 751,465.04 and 276,909.72 is: 414,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,448.20 : 751,465.04 = 276,909.72 : x
  2. Step 2: Convert to fraction form
    501,448.20/751,465.04 = 276,909.72/x
  3. Step 3: Cross multiply
    501,448.20x = 751,465.04 × 276,909.72
  4. Step 4: Simplify right side
    501,448.20x = 208,087,972,431.64
  5. Step 5: Solve for x
    x = 208,087,972,431.64/501,448.20
  6. Step 6: Final answer
    x = 414,974.01

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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.