Home / 744,230.63-1,027,038.24-421,940.70

Finding the Fourth Proportional to 744,230.63, 1,027,038.24 and 421,940.70

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Solution

The fourth proportional to 744,230.63, 1,027,038.24 and 421,940.70 is: 582,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,230.63 : 1,027,038.24 = 421,940.70 : x
  2. Step 2: Convert to fraction form
    744,230.63/1,027,038.24 = 421,940.70/x
  3. Step 3: Cross multiply
    744,230.63x = 1,027,038.24 × 421,940.70
  4. Step 4: Simplify right side
    744,230.63x = 433,349,233,912.37
  5. Step 5: Solve for x
    x = 433,349,233,912.37/744,230.63
  6. Step 6: Final answer
    x = 582,278.15

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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.