Finding the Fourth Proportional to 668,879.80, 922,791.35 and 382,246.11
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Solution
The fourth proportional to 668,879.80, 922,791.35 and 382,246.11 is: 527,349.47
Step by Step Solution
- Step 1: Write the proportion equation
668,879.80 : 922,791.35 = 382,246.11 : x - Step 2: Convert to fraction form
668,879.80/922,791.35 = 382,246.11/x - Step 3: Cross multiply
668,879.80x = 922,791.35 × 382,246.11 - Step 4: Simplify right side
668,879.80x = 352,733,404,834.76 - Step 5: Solve for x
x = 352,733,404,834.76/668,879.80 - Step 6: Final answer
x = 527,349.47
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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.