Home / 879,424.79-1,211,947.61-704,796.66

Finding the Fourth Proportional to 879,424.79, 1,211,947.61 and 704,796.66

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Solution

The fourth proportional to 879,424.79, 1,211,947.61 and 704,796.66 is: 971,290.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,424.79 : 1,211,947.61 = 704,796.66 : x
  2. Step 2: Convert to fraction form
    879,424.79/1,211,947.61 = 704,796.66/x
  3. Step 3: Cross multiply
    879,424.79x = 1,211,947.61 × 704,796.66
  4. Step 4: Simplify right side
    879,424.79x = 854,176,624,099.00
  5. Step 5: Solve for x
    x = 854,176,624,099.00/879,424.79
  6. Step 6: Final answer
    x = 971,290.14

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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.