Home / 751,275.96-1,036,758.42-407,113.23

Finding the Fourth Proportional to 751,275.96, 1,036,758.42 and 407,113.23

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Solution

The fourth proportional to 751,275.96, 1,036,758.42 and 407,113.23 is: 561,814.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,275.96 : 1,036,758.42 = 407,113.23 : x
  2. Step 2: Convert to fraction form
    751,275.96/1,036,758.42 = 407,113.23/x
  3. Step 3: Cross multiply
    751,275.96x = 1,036,758.42 × 407,113.23
  4. Step 4: Simplify right side
    751,275.96x = 422,078,069,095.90
  5. Step 5: Solve for x
    x = 422,078,069,095.90/751,275.96
  6. Step 6: Final answer
    x = 561,814.95

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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.