Finding the Fourth Proportional to 964,705.44, 1,331,272.68 and 556,775.28
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Solution
The fourth proportional to 964,705.44, 1,331,272.68 and 556,775.28 is: 768,337.87
Step by Step Solution
- Step 1: Write the proportion equation
964,705.44 : 1,331,272.68 = 556,775.28 : x - Step 2: Convert to fraction form
964,705.44/1,331,272.68 = 556,775.28/x - Step 3: Cross multiply
964,705.44x = 1,331,272.68 × 556,775.28 - Step 4: Simplify right side
964,705.44x = 741,219,719,163.35 - Step 5: Solve for x
x = 741,219,719,163.35/964,705.44 - Step 6: Final answer
x = 768,337.87
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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.