Finding the Fourth Proportional to 671,689.13, 926,917.70 and 365,769.14
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Solution
The fourth proportional to 671,689.13, 926,917.70 and 365,769.14 is: 504,754.17
Step by Step Solution
- Step 1: Write the proportion equation
671,689.13 : 926,917.70 = 365,769.14 : x - Step 2: Convert to fraction form
671,689.13/926,917.70 = 365,769.14/x - Step 3: Cross multiply
671,689.13x = 926,917.70 × 365,769.14 - Step 4: Simplify right side
671,689.13x = 339,037,883,516.34 - Step 5: Solve for x
x = 339,037,883,516.34/671,689.13 - Step 6: Final answer
x = 504,754.17
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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.