Home / 731,907.35-1,010,138.22-421,749.59

Finding the Fourth Proportional to 731,907.35, 1,010,138.22 and 421,749.59

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Solution

The fourth proportional to 731,907.35, 1,010,138.22 and 421,749.59 is: 582,075.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,907.35 : 1,010,138.22 = 421,749.59 : x
  2. Step 2: Convert to fraction form
    731,907.35/1,010,138.22 = 421,749.59/x
  3. Step 3: Cross multiply
    731,907.35x = 1,010,138.22 × 421,749.59
  4. Step 4: Simplify right side
    731,907.35x = 426,025,378,019.58
  5. Step 5: Solve for x
    x = 426,025,378,019.58/731,907.35
  6. Step 6: Final answer
    x = 582,075.56

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Double scale
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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.