Home / 760,418.82-1,049,611.59-438,344.22

Finding the Fourth Proportional to 760,418.82, 1,049,611.59 and 438,344.22

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Solution

The fourth proportional to 760,418.82, 1,049,611.59 and 438,344.22 is: 605,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,418.82 : 1,049,611.59 = 438,344.22 : x
  2. Step 2: Convert to fraction form
    760,418.82/1,049,611.59 = 438,344.22/x
  3. Step 3: Cross multiply
    760,418.82x = 1,049,611.59 × 438,344.22
  4. Step 4: Simplify right side
    760,418.82x = 460,091,173,721.51
  5. Step 5: Solve for x
    x = 460,091,173,721.51/760,418.82
  6. Step 6: Final answer
    x = 605,049.69

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Double scale
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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.