Home / 779,599.25-1,075,846.97-421,903.25

Finding the Fourth Proportional to 779,599.25, 1,075,846.97 and 421,903.25

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Solution

The fourth proportional to 779,599.25, 1,075,846.97 and 421,903.25 is: 582,226.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,599.25 : 1,075,846.97 = 421,903.25 : x
  2. Step 2: Convert to fraction form
    779,599.25/1,075,846.97 = 421,903.25/x
  3. Step 3: Cross multiply
    779,599.25x = 1,075,846.97 × 421,903.25
  4. Step 4: Simplify right side
    779,599.25x = 453,903,331,036.14
  5. Step 5: Solve for x
    x = 453,903,331,036.14/779,599.25
  6. Step 6: Final answer
    x = 582,226.49

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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.