Home / 1,040,283.81-1,560,493.76-320,537.25

Finding the Fourth Proportional to 1,040,283.81, 1,560,493.76 and 320,537.25

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Solution

The fourth proportional to 1,040,283.81, 1,560,493.76 and 320,537.25 is: 480,826.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,283.81 : 1,560,493.76 = 320,537.25 : x
  2. Step 2: Convert to fraction form
    1,040,283.81/1,560,493.76 = 320,537.25/x
  3. Step 3: Cross multiply
    1,040,283.81x = 1,560,493.76 × 320,537.25
  4. Step 4: Simplify right side
    1,040,283.81x = 500,196,376,869.87
  5. Step 5: Solve for x
    x = 500,196,376,869.87/1,040,283.81
  6. Step 6: Final answer
    x = 480,826.84

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1.5x scale

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.