Home / 505,712.10-758,568.15-454,973.70

Finding the Fourth Proportional to 505,712.10, 758,568.15 and 454,973.70

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Solution

The fourth proportional to 505,712.10, 758,568.15 and 454,973.70 is: 682,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,712.10 : 758,568.15 = 454,973.70 : x
  2. Step 2: Convert to fraction form
    505,712.10/758,568.15 = 454,973.70/x
  3. Step 3: Cross multiply
    505,712.10x = 758,568.15 × 454,973.70
  4. Step 4: Simplify right side
    505,712.10x = 345,128,557,907.66
  5. Step 5: Solve for x
    x = 345,128,557,907.66/505,712.10
  6. Step 6: Final answer
    x = 682,460.55

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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.