Finding the Fourth Proportional to 891,272.51, 1,230,113.30 and 528,896.18
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Solution
The fourth proportional to 891,272.51, 1,230,113.30 and 528,896.18 is: 729,970.03
Step by Step Solution
- Step 1: Write the proportion equation
891,272.51 : 1,230,113.30 = 528,896.18 : x - Step 2: Convert to fraction form
891,272.51/1,230,113.30 = 528,896.18/x - Step 3: Cross multiply
891,272.51x = 1,230,113.30 × 528,896.18 - Step 4: Simplify right side
891,272.51x = 650,602,216,542.15 - Step 5: Solve for x
x = 650,602,216,542.15/891,272.51 - Step 6: Final answer
x = 729,970.03
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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.