Home / 899,450.82-1,348,792.20-520,633.08

Finding the Fourth Proportional to 899,450.82, 1,348,792.20 and 520,633.08

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Solution

The fourth proportional to 899,450.82, 1,348,792.20 and 520,633.08 is: 780,727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,450.82 : 1,348,792.20 = 520,633.08 : x
  2. Step 2: Convert to fraction form
    899,450.82/1,348,792.20 = 520,633.08/x
  3. Step 3: Cross multiply
    899,450.82x = 1,348,792.20 × 520,633.08
  4. Step 4: Simplify right side
    899,450.82x = 702,225,837,365.98
  5. Step 5: Solve for x
    x = 702,225,837,365.98/899,450.82
  6. Step 6: Final answer
    x = 780,727.33

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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.