Home / 760,106.44-1,048,968.66-420,606.28

Finding the Fourth Proportional to 760,106.44, 1,048,968.66 and 420,606.28

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Solution

The fourth proportional to 760,106.44, 1,048,968.66 and 420,606.28 is: 580,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,106.44 : 1,048,968.66 = 420,606.28 : x
  2. Step 2: Convert to fraction form
    760,106.44/1,048,968.66 = 420,606.28/x
  3. Step 3: Cross multiply
    760,106.44x = 1,048,968.66 × 420,606.28
  4. Step 4: Simplify right side
    760,106.44x = 441,202,805,919.19
  5. Step 5: Solve for x
    x = 441,202,805,919.19/760,106.44
  6. Step 6: Final answer
    x = 580,448.71

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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.