Home / 769,453.36-1,061,812.66-425,271.50

Finding the Fourth Proportional to 769,453.36, 1,061,812.66 and 425,271.50

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Solution

The fourth proportional to 769,453.36, 1,061,812.66 and 425,271.50 is: 586,856.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,453.36 : 1,061,812.66 = 425,271.50 : x
  2. Step 2: Convert to fraction form
    769,453.36/1,061,812.66 = 425,271.50/x
  3. Step 3: Cross multiply
    769,453.36x = 1,061,812.66 × 425,271.50
  4. Step 4: Simplify right side
    769,453.36x = 451,558,662,637.19
  5. Step 5: Solve for x
    x = 451,558,662,637.19/769,453.36
  6. Step 6: Final answer
    x = 586,856.44

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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.