Finding the Fourth Proportional to 765,341.35, 1,147,010.05 and 315,538.63
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Solution
The fourth proportional to 765,341.35, 1,147,010.05 and 315,538.63 is: 472,894.84
Step by Step Solution
- Step 1: Write the proportion equation
765,341.35 : 1,147,010.05 = 315,538.63 : x - Step 2: Convert to fraction form
765,341.35/1,147,010.05 = 315,538.63/x - Step 3: Cross multiply
765,341.35x = 1,147,010.05 × 315,538.63 - Step 4: Simplify right side
765,341.35x = 361,925,977,300.13 - Step 5: Solve for x
x = 361,925,977,300.13/765,341.35 - Step 6: Final answer
x = 472,894.84
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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.