Finding the Fourth Proportional to 528,566.68, 729,427.36 and 286,851.34
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Solution
The fourth proportional to 528,566.68, 729,427.36 and 286,851.34 is: 395,857.75
Step by Step Solution
- Step 1: Write the proportion equation
528,566.68 : 729,427.36 = 286,851.34 : x - Step 2: Convert to fraction form
528,566.68/729,427.36 = 286,851.34/x - Step 3: Cross multiply
528,566.68x = 729,427.36 × 286,851.34 - Step 4: Simplify right side
528,566.68x = 209,237,215,648.66 - Step 5: Solve for x
x = 209,237,215,648.66/528,566.68 - Step 6: Final answer
x = 395,857.75
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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.