Home / 791,408.36-1,091,658.30-646,424.84

Finding the Fourth Proportional to 791,408.36, 1,091,658.30 and 646,424.84

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Solution

The fourth proportional to 791,408.36, 1,091,658.30 and 646,424.84 is: 891,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,408.36 : 1,091,658.30 = 646,424.84 : x
  2. Step 2: Convert to fraction form
    791,408.36/1,091,658.30 = 646,424.84/x
  3. Step 3: Cross multiply
    791,408.36x = 1,091,658.30 × 646,424.84
  4. Step 4: Simplify right side
    791,408.36x = 705,675,041,912.17
  5. Step 5: Solve for x
    x = 705,675,041,912.17/791,408.36
  6. Step 6: Final answer
    x = 891,669.94

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