Home / 751,143.07-1,125,927.28-277,526.35

Finding the Fourth Proportional to 751,143.07, 1,125,927.28 and 277,526.35

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Solution

The fourth proportional to 751,143.07, 1,125,927.28 and 277,526.35 is: 415,998.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,143.07 : 1,125,927.28 = 277,526.35 : x
  2. Step 2: Convert to fraction form
    751,143.07/1,125,927.28 = 277,526.35/x
  3. Step 3: Cross multiply
    751,143.07x = 1,125,927.28 × 277,526.35
  4. Step 4: Simplify right side
    751,143.07x = 312,474,488,383.83
  5. Step 5: Solve for x
    x = 312,474,488,383.83/751,143.07
  6. Step 6: Final answer
    x = 415,998.63

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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.