Home / 779,539.34-1,075,767.90-421,843.34

Finding the Fourth Proportional to 779,539.34, 1,075,767.90 and 421,843.34

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Solution

The fourth proportional to 779,539.34, 1,075,767.90 and 421,843.34 is: 582,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,539.34 : 1,075,767.90 = 421,843.34 : x
  2. Step 2: Convert to fraction form
    779,539.34/1,075,767.90 = 421,843.34/x
  3. Step 3: Cross multiply
    779,539.34x = 1,075,767.90 × 421,843.34
  4. Step 4: Simplify right side
    779,539.34x = 453,805,524,000.79
  5. Step 5: Solve for x
    x = 453,805,524,000.79/779,539.34
  6. Step 6: Final answer
    x = 582,145.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.