Home / 751,370.86-1,036,998.12-464,983.21

Finding the Fourth Proportional to 751,370.86, 1,036,998.12 and 464,983.21

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Solution

The fourth proportional to 751,370.86, 1,036,998.12 and 464,983.21 is: 641,742.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,370.86 : 1,036,998.12 = 464,983.21 : x
  2. Step 2: Convert to fraction form
    751,370.86/1,036,998.12 = 464,983.21/x
  3. Step 3: Cross multiply
    751,370.86x = 1,036,998.12 × 464,983.21
  4. Step 4: Simplify right side
    751,370.86x = 482,186,714,601.57
  5. Step 5: Solve for x
    x = 482,186,714,601.57/751,370.86
  6. Step 6: Final answer
    x = 641,742.63

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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.