Finding the Fourth Proportional to 552,409.88, 761,893.76 and 358,879.96
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Solution
The fourth proportional to 552,409.88, 761,893.76 and 358,879.96 is: 494,973.77
Step by Step Solution
- Step 1: Write the proportion equation
552,409.88 : 761,893.76 = 358,879.96 : x - Step 2: Convert to fraction form
552,409.88/761,893.76 = 358,879.96/x - Step 3: Cross multiply
552,409.88x = 761,893.76 × 358,879.96 - Step 4: Simplify right side
552,409.88x = 273,428,402,113.05 - Step 5: Solve for x
x = 273,428,402,113.05/552,409.88 - Step 6: Final answer
x = 494,973.77
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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.