Finding the Fourth Proportional to 884,346.66, 1,220,431.05 and 502,438.14
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Solution
The fourth proportional to 884,346.66, 1,220,431.05 and 502,438.14 is: 693,383.19
Step by Step Solution
- Step 1: Write the proportion equation
884,346.66 : 1,220,431.05 = 502,438.14 : x - Step 2: Convert to fraction form
884,346.66/1,220,431.05 = 502,438.14/x - Step 3: Cross multiply
884,346.66x = 1,220,431.05 × 502,438.14 - Step 4: Simplify right side
884,346.66x = 613,191,106,760.25 - Step 5: Solve for x
x = 613,191,106,760.25/884,346.66 - Step 6: Final answer
x = 693,383.19
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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.