Finding the Fourth Proportional to 539,486.19, 744,490.94 and 301,022.19
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Solution
The fourth proportional to 539,486.19, 744,490.94 and 301,022.19 is: 415,410.62
Step by Step Solution
- Step 1: Write the proportion equation
539,486.19 : 744,490.94 = 301,022.19 : x - Step 2: Convert to fraction form
539,486.19/744,490.94 = 301,022.19/x - Step 3: Cross multiply
539,486.19x = 744,490.94 × 301,022.19 - Step 4: Simplify right side
539,486.19x = 224,108,293,193.96 - Step 5: Solve for x
x = 224,108,293,193.96/539,486.19 - Step 6: Final answer
x = 415,410.62
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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.