Finding the Fourth Proportional to 917,257.01, 1,265,846.35 and 509,365.68
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Solution
The fourth proportional to 917,257.01, 1,265,846.35 and 509,365.68 is: 702,942.23
Step by Step Solution
- Step 1: Write the proportion equation
917,257.01 : 1,265,846.35 = 509,365.68 : x - Step 2: Convert to fraction form
917,257.01/1,265,846.35 = 509,365.68/x - Step 3: Cross multiply
917,257.01x = 1,265,846.35 × 509,365.68 - Step 4: Simplify right side
917,257.01x = 644,778,688,898.38 - Step 5: Solve for x
x = 644,778,688,898.38/917,257.01 - Step 6: Final answer
x = 702,942.23
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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.