Home / 505,058.46-757,587.78-336,907.20

Finding the Fourth Proportional to 505,058.46, 757,587.78 and 336,907.20

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Solution

The fourth proportional to 505,058.46, 757,587.78 and 336,907.20 is: 505,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,058.46 : 757,587.78 = 336,907.20 : x
  2. Step 2: Convert to fraction form
    505,058.46/757,587.78 = 336,907.20/x
  3. Step 3: Cross multiply
    505,058.46x = 757,587.78 × 336,907.20
  4. Step 4: Simplify right side
    505,058.46x = 255,236,777,714.02
  5. Step 5: Solve for x
    x = 255,236,777,714.02/505,058.46
  6. Step 6: Final answer
    x = 505,360.86

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1.5x scale

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.