Finding the Fourth Proportional to 805,171.05, 1,110,672 and 502,840.17
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Solution
The fourth proportional to 805,171.05, 1,110,672 and 502,840.17 is: 693,629.63
Step by Step Solution
- Step 1: Write the proportion equation
805,171.05 : 1,110,672 = 502,840.17 : x - Step 2: Convert to fraction form
805,171.05/1,110,672 = 502,840.17/x - Step 3: Cross multiply
805,171.05x = 1,110,672 × 502,840.17 - Step 4: Simplify right side
805,171.05x = 558,490,497,294.24 - Step 5: Solve for x
x = 558,490,497,294.24/805,171.05 - Step 6: Final answer
x = 693,629.63
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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.