Home / 751,746.39-1,036,950.79-445,617.88

Finding the Fourth Proportional to 751,746.39, 1,036,950.79 and 445,617.88

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Solution

The fourth proportional to 751,746.39, 1,036,950.79 and 445,617.88 is: 614,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,746.39 : 1,036,950.79 = 445,617.88 : x
  2. Step 2: Convert to fraction form
    751,746.39/1,036,950.79 = 445,617.88/x
  3. Step 3: Cross multiply
    751,746.39x = 1,036,950.79 × 445,617.88
  4. Step 4: Simplify right side
    751,746.39x = 462,083,811,496.36
  5. Step 5: Solve for x
    x = 462,083,811,496.36/751,746.39
  6. Step 6: Final answer
    x = 614,680.45

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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.