Finding the Fourth Proportional to 916,835.08, 1,265,253.12 and 514,427.08
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Solution
The fourth proportional to 916,835.08, 1,265,253.12 and 514,427.08 is: 709,920.99
Step by Step Solution
- Step 1: Write the proportion equation
916,835.08 : 1,265,253.12 = 514,427.08 : x - Step 2: Convert to fraction form
916,835.08/1,265,253.12 = 514,427.08/x - Step 3: Cross multiply
916,835.08x = 1,265,253.12 × 514,427.08 - Step 4: Simplify right side
916,835.08x = 650,880,467,982.49 - Step 5: Solve for x
x = 650,880,467,982.49/916,835.08 - Step 6: Final answer
x = 709,920.99
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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.