Home / 779,596.63-1,075,843.34-421,900.63

Finding the Fourth Proportional to 779,596.63, 1,075,843.34 and 421,900.63

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Solution

The fourth proportional to 779,596.63, 1,075,843.34 and 421,900.63 is: 582,222.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,596.63 : 1,075,843.34 = 421,900.63 : x
  2. Step 2: Convert to fraction form
    779,596.63/1,075,843.34 = 421,900.63/x
  3. Step 3: Cross multiply
    779,596.63x = 1,075,843.34 × 421,900.63
  4. Step 4: Simplify right side
    779,596.63x = 453,898,982,927.30
  5. Step 5: Solve for x
    x = 453,898,982,927.30/779,596.63
  6. Step 6: Final answer
    x = 582,222.86

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1.5x scale

Why These Related Problems?

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