Home / 986,637.10-1,479,788.73-276,501.70

Finding the Fourth Proportional to 986,637.10, 1,479,788.73 and 276,501.70

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Solution

The fourth proportional to 986,637.10, 1,479,788.73 and 276,501.70 is: 414,705.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,637.10 : 1,479,788.73 = 276,501.70 : x
  2. Step 2: Convert to fraction form
    986,637.10/1,479,788.73 = 276,501.70/x
  3. Step 3: Cross multiply
    986,637.10x = 1,479,788.73 × 276,501.70
  4. Step 4: Simplify right side
    986,637.10x = 409,164,099,485.84
  5. Step 5: Solve for x
    x = 409,164,099,485.84/986,637.10
  6. Step 6: Final answer
    x = 414,705.77

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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.