Finding the Fourth Proportional to 917,078.99, 1,265,608.53 and 509,180.87
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Solution
The fourth proportional to 917,078.99, 1,265,608.53 and 509,180.87 is: 702,691.55
Step by Step Solution
- Step 1: Write the proportion equation
917,078.99 : 1,265,608.53 = 509,180.87 : x - Step 2: Convert to fraction form
917,078.99/1,265,608.53 = 509,180.87/x - Step 3: Cross multiply
917,078.99x = 1,265,608.53 × 509,180.87 - Step 4: Simplify right side
917,078.99x = 644,423,655,548.84 - Step 5: Solve for x
x = 644,423,655,548.84/917,078.99 - Step 6: Final answer
x = 702,691.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.