Home / 675,379.62-1,012,566.42-409,075.92

Finding the Fourth Proportional to 675,379.62, 1,012,566.42 and 409,075.92

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Solution

The fourth proportional to 675,379.62, 1,012,566.42 and 409,075.92 is: 613,309.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,379.62 : 1,012,566.42 = 409,075.92 : x
  2. Step 2: Convert to fraction form
    675,379.62/1,012,566.42 = 409,075.92/x
  3. Step 3: Cross multiply
    675,379.62x = 1,012,566.42 × 409,075.92
  4. Step 4: Simplify right side
    675,379.62x = 414,216,539,822.61
  5. Step 5: Solve for x
    x = 414,216,539,822.61/675,379.62
  6. Step 6: Final answer
    x = 613,309.21

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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.