Home / 684,738.56-1,026,907.03-257,966.44

Finding the Fourth Proportional to 684,738.56, 1,026,907.03 and 257,966.44

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Solution

The fourth proportional to 684,738.56, 1,026,907.03 and 257,966.44 is: 386,874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,738.56 : 1,026,907.03 = 257,966.44 : x
  2. Step 2: Convert to fraction form
    684,738.56/1,026,907.03 = 257,966.44/x
  3. Step 3: Cross multiply
    684,738.56x = 1,026,907.03 × 257,966.44
  4. Step 4: Simplify right side
    684,738.56x = 264,907,548,495.26
  5. Step 5: Solve for x
    x = 264,907,548,495.26/684,738.56
  6. Step 6: Final answer
    x = 386,874.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.