Home / 716,889.81-1,075,333.35-211,805.58

Finding the Fourth Proportional to 716,889.81, 1,075,333.35 and 211,805.58

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Solution

The fourth proportional to 716,889.81, 1,075,333.35 and 211,805.58 is: 317,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,889.81 : 1,075,333.35 = 211,805.58 : x
  2. Step 2: Convert to fraction form
    716,889.81/1,075,333.35 = 211,805.58/x
  3. Step 3: Cross multiply
    716,889.81x = 1,075,333.35 × 211,805.58
  4. Step 4: Simplify right side
    716,889.81x = 227,761,603,890.09
  5. Step 5: Solve for x
    x = 227,761,603,890.09/716,889.81
  6. Step 6: Final answer
    x = 317,707.97

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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.