Home / 717,012.25-1,075,548.05-211,573.22

Finding the Fourth Proportional to 717,012.25, 1,075,548.05 and 211,573.22

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Solution

The fourth proportional to 717,012.25, 1,075,548.05 and 211,573.22 is: 317,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,012.25 : 1,075,548.05 = 211,573.22 : x
  2. Step 2: Convert to fraction form
    717,012.25/1,075,548.05 = 211,573.22/x
  3. Step 3: Cross multiply
    717,012.25x = 1,075,548.05 × 211,573.22
  4. Step 4: Simplify right side
    717,012.25x = 227,557,167,421.02
  5. Step 5: Solve for x
    x = 227,557,167,421.02/717,012.25
  6. Step 6: Final answer
    x = 317,368.59

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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.