Home / 786,015.36-1,178,036.46-336,207.51

Finding the Fourth Proportional to 786,015.36, 1,178,036.46 and 336,207.51

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Solution

The fourth proportional to 786,015.36, 1,178,036.46 and 336,207.51 is: 503,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,015.36 : 1,178,036.46 = 336,207.51 : x
  2. Step 2: Convert to fraction form
    786,015.36/1,178,036.46 = 336,207.51/x
  3. Step 3: Cross multiply
    786,015.36x = 1,178,036.46 × 336,207.51
  4. Step 4: Simplify right side
    786,015.36x = 396,064,704,905.82
  5. Step 5: Solve for x
    x = 396,064,704,905.82/786,015.36
  6. Step 6: Final answer
    x = 503,889.27

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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.