Home / 746,745.96-1,030,417.78-456,503.56

Finding the Fourth Proportional to 746,745.96, 1,030,417.78 and 456,503.56

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Solution

The fourth proportional to 746,745.96, 1,030,417.78 and 456,503.56 is: 629,918.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,745.96 : 1,030,417.78 = 456,503.56 : x
  2. Step 2: Convert to fraction form
    746,745.96/1,030,417.78 = 456,503.56/x
  3. Step 3: Cross multiply
    746,745.96x = 1,030,417.78 × 456,503.56
  4. Step 4: Simplify right side
    746,745.96x = 470,389,384,857.30
  5. Step 5: Solve for x
    x = 470,389,384,857.30/746,745.96
  6. Step 6: Final answer
    x = 629,918.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.