Home / 751,739.64-1,037,407.80-407,574.69

Finding the Fourth Proportional to 751,739.64, 1,037,407.80 and 407,574.69

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Solution

The fourth proportional to 751,739.64, 1,037,407.80 and 407,574.69 is: 562,456.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,739.64 : 1,037,407.80 = 407,574.69 : x
  2. Step 2: Convert to fraction form
    751,739.64/1,037,407.80 = 407,574.69/x
  3. Step 3: Cross multiply
    751,739.64x = 1,037,407.80 × 407,574.69
  4. Step 4: Simplify right side
    751,739.64x = 422,821,160,126.71
  5. Step 5: Solve for x
    x = 422,821,160,126.71/751,739.64
  6. Step 6: Final answer
    x = 562,456.92

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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.