Finding the Fourth Proportional to 653,126.63, 901,311.12 and 366,646.64
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Solution
The fourth proportional to 653,126.63, 901,311.12 and 366,646.64 is: 505,970.32
Step by Step Solution
- Step 1: Write the proportion equation
653,126.63 : 901,311.12 = 366,646.64 : x - Step 2: Convert to fraction form
653,126.63/901,311.12 = 366,646.64/x - Step 3: Cross multiply
653,126.63x = 901,311.12 × 366,646.64 - Step 4: Simplify right side
653,126.63x = 330,462,689,236.08 - Step 5: Solve for x
x = 330,462,689,236.08/653,126.63 - Step 6: Final answer
x = 505,970.32
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Double scale
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1.5x scale
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.