Finding the Fourth Proportional to 913,493.08, 1,260,515.28 and 526,364.92
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Solution
The fourth proportional to 913,493.08, 1,260,515.28 and 526,364.92 is: 726,322.99
Step by Step Solution
- Step 1: Write the proportion equation
913,493.08 : 1,260,515.28 = 526,364.92 : x - Step 2: Convert to fraction form
913,493.08/1,260,515.28 = 526,364.92/x - Step 3: Cross multiply
913,493.08x = 1,260,515.28 × 526,364.92 - Step 4: Simplify right side
913,493.08x = 663,491,024,515.98 - Step 5: Solve for x
x = 663,491,024,515.98/913,493.08 - Step 6: Final answer
x = 726,322.99
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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.