Finding the Fourth Proportional to 913,511.60, 1,260,627.17 and 505,589.12
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Solution
The fourth proportional to 913,511.60, 1,260,627.17 and 505,589.12 is: 697,702.55
Step by Step Solution
- Step 1: Write the proportion equation
913,511.60 : 1,260,627.17 = 505,589.12 : x - Step 2: Convert to fraction form
913,511.60/1,260,627.17 = 505,589.12/x - Step 3: Cross multiply
913,511.60x = 1,260,627.17 × 505,589.12 - Step 4: Simplify right side
913,511.60x = 637,359,372,697.31 - Step 5: Solve for x
x = 637,359,372,697.31/913,511.60 - Step 6: Final answer
x = 697,702.55
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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.