Finding the Fourth Proportional to 692,047.68, 955,038.24 and 405,648.96
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Solution
The fourth proportional to 692,047.68, 955,038.24 and 405,648.96 is: 559,802.86
Step by Step Solution
- Step 1: Write the proportion equation
692,047.68 : 955,038.24 = 405,648.96 : x - Step 2: Convert to fraction form
692,047.68/955,038.24 = 405,648.96/x - Step 3: Cross multiply
692,047.68x = 955,038.24 × 405,648.96 - Step 4: Simplify right side
692,047.68x = 387,410,268,816.23 - Step 5: Solve for x
x = 387,410,268,816.23/692,047.68 - Step 6: Final answer
x = 559,802.86
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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.