Finding the Fourth Proportional to 503,788.69, 695,115.81 and 422,445.96
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Solution
The fourth proportional to 503,788.69, 695,115.81 and 422,445.96 is: 582,881.02
Step by Step Solution
- Step 1: Write the proportion equation
503,788.69 : 695,115.81 = 422,445.96 : x - Step 2: Convert to fraction form
503,788.69/695,115.81 = 422,445.96/x - Step 3: Cross multiply
503,788.69x = 695,115.81 × 422,445.96 - Step 4: Simplify right side
503,788.69x = 293,648,865,493.81 - Step 5: Solve for x
x = 293,648,865,493.81/503,788.69 - Step 6: Final answer
x = 582,881.02
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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.