Home / 744,219.45-1,026,937.26-421,865.37

Finding the Fourth Proportional to 744,219.45, 1,026,937.26 and 421,865.37

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Solution

The fourth proportional to 744,219.45, 1,026,937.26 and 421,865.37 is: 582,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,219.45 : 1,026,937.26 = 421,865.37 : x
  2. Step 2: Convert to fraction form
    744,219.45/1,026,937.26 = 421,865.37/x
  3. Step 3: Cross multiply
    744,219.45x = 1,026,937.26 × 421,865.37
  4. Step 4: Simplify right side
    744,219.45x = 433,229,267,156.69
  5. Step 5: Solve for x
    x = 433,229,267,156.69/744,219.45
  6. Step 6: Final answer
    x = 582,125.70

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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.