Finding the Fourth Proportional to 938,394.72, 1,294,975.01 and 524,926.12
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Solution
The fourth proportional to 938,394.72, 1,294,975.01 and 524,926.12 is: 724,392.62
Step by Step Solution
- Step 1: Write the proportion equation
938,394.72 : 1,294,975.01 = 524,926.12 : x - Step 2: Convert to fraction form
938,394.72/1,294,975.01 = 524,926.12/x - Step 3: Cross multiply
938,394.72x = 1,294,975.01 × 524,926.12 - Step 4: Simplify right side
938,394.72x = 679,766,207,496.26 - Step 5: Solve for x
x = 679,766,207,496.26/938,394.72 - Step 6: Final answer
x = 724,392.62
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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.