Home / 779,618.25-1,075,873.20-421,922.25

Finding the Fourth Proportional to 779,618.25, 1,075,873.20 and 421,922.25

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Solution

The fourth proportional to 779,618.25, 1,075,873.20 and 421,922.25 is: 582,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,618.25 : 1,075,873.20 = 421,922.25 : x
  2. Step 2: Convert to fraction form
    779,618.25/1,075,873.20 = 421,922.25/x
  3. Step 3: Cross multiply
    779,618.25x = 1,075,873.20 × 421,922.25
  4. Step 4: Simplify right side
    779,618.25x = 453,934,841,258.70
  5. Step 5: Solve for x
    x = 453,934,841,258.70/779,618.25
  6. Step 6: Final answer
    x = 582,252.71

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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.