Home / 940,581.36-1,409,905.71-371,731.32

Finding the Fourth Proportional to 940,581.36, 1,409,905.71 and 371,731.32

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Solution

The fourth proportional to 940,581.36, 1,409,905.71 and 371,731.32 is: 557,215.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,581.36 : 1,409,905.71 = 371,731.32 : x
  2. Step 2: Convert to fraction form
    940,581.36/1,409,905.71 = 371,731.32/x
  3. Step 3: Cross multiply
    940,581.36x = 1,409,905.71 × 371,731.32
  4. Step 4: Simplify right side
    940,581.36x = 524,106,110,653.84
  5. Step 5: Solve for x
    x = 524,106,110,653.84/940,581.36
  6. Step 6: Final answer
    x = 557,215.07

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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.