Finding the Fourth Proportional to 752,295.42, 1,128,625.38 and 432,651.87
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Solution
The fourth proportional to 752,295.42, 1,128,625.38 and 432,651.87 is: 649,082.62
Step by Step Solution
- Step 1: Write the proportion equation
752,295.42 : 1,128,625.38 = 432,651.87 : x - Step 2: Convert to fraction form
752,295.42/1,128,625.38 = 432,651.87/x - Step 3: Cross multiply
752,295.42x = 1,128,625.38 × 432,651.87 - Step 4: Simplify right side
752,295.42x = 488,301,881,186.46 - Step 5: Solve for x
x = 488,301,881,186.46/752,295.42 - Step 6: Final answer
x = 649,082.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.