Home / 741,220.73-1,022,885.48-401,688.98

Finding the Fourth Proportional to 741,220.73, 1,022,885.48 and 401,688.98

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Solution

The fourth proportional to 741,220.73, 1,022,885.48 and 401,688.98 is: 554,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,220.73 : 1,022,885.48 = 401,688.98 : x
  2. Step 2: Convert to fraction form
    741,220.73/1,022,885.48 = 401,688.98/x
  3. Step 3: Cross multiply
    741,220.73x = 1,022,885.48 × 401,688.98
  4. Step 4: Simplify right side
    741,220.73x = 410,881,825,118.01
  5. Step 5: Solve for x
    x = 410,881,825,118.01/741,220.73
  6. Step 6: Final answer
    x = 554,331.27

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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.