Finding the Fourth Proportional to 913,623.63, 1,260,689.11 and 526,564.26
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Solution
The fourth proportional to 913,623.63, 1,260,689.11 and 526,564.26 is: 726,594.42
Step by Step Solution
- Step 1: Write the proportion equation
913,623.63 : 1,260,689.11 = 526,564.26 : x - Step 2: Convert to fraction form
913,623.63/1,260,689.11 = 526,564.26/x - Step 3: Cross multiply
913,623.63x = 1,260,689.11 × 526,564.26 - Step 4: Simplify right side
913,623.63x = 663,833,828,297.21 - Step 5: Solve for x
x = 663,833,828,297.21/913,623.63 - Step 6: Final answer
x = 726,594.42
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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.