Finding the Fourth Proportional to 659,625.96, 910,284.14 and 373,139.96
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Solution
The fourth proportional to 659,625.96, 910,284.14 and 373,139.96 is: 514,933.32
Step by Step Solution
- Step 1: Write the proportion equation
659,625.96 : 910,284.14 = 373,139.96 : x - Step 2: Convert to fraction form
659,625.96/910,284.14 = 373,139.96/x - Step 3: Cross multiply
659,625.96x = 910,284.14 × 373,139.96 - Step 4: Simplify right side
659,625.96x = 339,663,387,588.23 - Step 5: Solve for x
x = 339,663,387,588.23/659,625.96 - Step 6: Final answer
x = 514,933.32
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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.