Finding the Fourth Proportional to 925,725.94, 1,276,987.35 and 538,497.79
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Solution
The fourth proportional to 925,725.94, 1,276,987.35 and 538,497.79 is: 742,827.69
Step by Step Solution
- Step 1: Write the proportion equation
925,725.94 : 1,276,987.35 = 538,497.79 : x - Step 2: Convert to fraction form
925,725.94/1,276,987.35 = 538,497.79/x - Step 3: Cross multiply
925,725.94x = 1,276,987.35 × 538,497.79 - Step 4: Simplify right side
925,725.94x = 687,654,865,832.96 - Step 5: Solve for x
x = 687,654,865,832.96/925,725.94 - Step 6: Final answer
x = 742,827.69
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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.