Home / 976,426.87-1,463,606.91-444,321.58

Finding the Fourth Proportional to 976,426.87, 1,463,606.91 and 444,321.58

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Solution

The fourth proportional to 976,426.87, 1,463,606.91 and 444,321.58 is: 666,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,426.87 : 1,463,606.91 = 444,321.58 : x
  2. Step 2: Convert to fraction form
    976,426.87/1,463,606.91 = 444,321.58/x
  3. Step 3: Cross multiply
    976,426.87x = 1,463,606.91 × 444,321.58
  4. Step 4: Simplify right side
    976,426.87x = 650,312,134,750.12
  5. Step 5: Solve for x
    x = 650,312,134,750.12/976,426.87
  6. Step 6: Final answer
    x = 666,012.13

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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.