Home / 718,393.42-1,075,958.91-557,175.22

Finding the Fourth Proportional to 718,393.42, 1,075,958.91 and 557,175.22

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Solution

The fourth proportional to 718,393.42, 1,075,958.91 and 557,175.22 is: 834,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,393.42 : 1,075,958.91 = 557,175.22 : x
  2. Step 2: Convert to fraction form
    718,393.42/1,075,958.91 = 557,175.22/x
  3. Step 3: Cross multiply
    718,393.42x = 1,075,958.91 × 557,175.22
  4. Step 4: Simplify right side
    718,393.42x = 599,497,642,390.21
  5. Step 5: Solve for x
    x = 599,497,642,390.21/718,393.42
  6. Step 6: Final answer
    x = 834,497.68

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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.