Finding the Fourth Proportional to 668,742.74, 922,865.04 and 382,269.08
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Solution
The fourth proportional to 668,742.74, 922,865.04 and 382,269.08 is: 527,531.36
Step by Step Solution
- Step 1: Write the proportion equation
668,742.74 : 922,865.04 = 382,269.08 : x - Step 2: Convert to fraction form
668,742.74/922,865.04 = 382,269.08/x - Step 3: Cross multiply
668,742.74x = 922,865.04 × 382,269.08 - Step 4: Simplify right side
668,742.74x = 352,782,769,804.96 - Step 5: Solve for x
x = 352,782,769,804.96/668,742.74 - Step 6: Final answer
x = 527,531.36
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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.