Finding the Fourth Proportional to 917,137.08, 1,265,651.61 and 509,239.68
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Solution
The fourth proportional to 917,137.08, 1,265,651.61 and 509,239.68 is: 702,752.11
Step by Step Solution
- Step 1: Write the proportion equation
917,137.08 : 1,265,651.61 = 509,239.68 : x - Step 2: Convert to fraction form
917,137.08/1,265,651.61 = 509,239.68/x - Step 3: Cross multiply
917,137.08x = 1,265,651.61 × 509,239.68 - Step 4: Simplify right side
917,137.08x = 644,520,020,867.89 - Step 5: Solve for x
x = 644,520,020,867.89/917,137.08 - Step 6: Final answer
x = 702,752.11
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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.