Home / 779,270.72-1,075,383.12-435,112

Finding the Fourth Proportional to 779,270.72, 1,075,383.12 and 435,112

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Solution

The fourth proportional to 779,270.72, 1,075,383.12 and 435,112 is: 600,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,270.72 : 1,075,383.12 = 435,112 : x
  2. Step 2: Convert to fraction form
    779,270.72/1,075,383.12 = 435,112/x
  3. Step 3: Cross multiply
    779,270.72x = 1,075,383.12 × 435,112
  4. Step 4: Simplify right side
    779,270.72x = 467,912,100,109.44
  5. Step 5: Solve for x
    x = 467,912,100,109.44/779,270.72
  6. Step 6: Final answer
    x = 600,448.71

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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.