Home / 724,313.82-1,087,537.19-405,091.10

Finding the Fourth Proportional to 724,313.82, 1,087,537.19 and 405,091.10

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Solution

The fourth proportional to 724,313.82, 1,087,537.19 and 405,091.10 is: 608,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,313.82 : 1,087,537.19 = 405,091.10 : x
  2. Step 2: Convert to fraction form
    724,313.82/1,087,537.19 = 405,091.10/x
  3. Step 3: Cross multiply
    724,313.82x = 1,087,537.19 × 405,091.10
  4. Step 4: Simplify right side
    724,313.82x = 440,551,636,588.01
  5. Step 5: Solve for x
    x = 440,551,636,588.01/724,313.82
  6. Step 6: Final answer
    x = 608,233.10

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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.