Finding the Fourth Proportional to 750,799.33, 1,036,119.80 and 428,502.96
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Solution
The fourth proportional to 750,799.33, 1,036,119.80 and 428,502.96 is: 591,343.63
Step by Step Solution
- Step 1: Write the proportion equation
750,799.33 : 1,036,119.80 = 428,502.96 : x - Step 2: Convert to fraction form
750,799.33/1,036,119.80 = 428,502.96/x - Step 3: Cross multiply
750,799.33x = 1,036,119.80 × 428,502.96 - Step 4: Simplify right side
750,799.33x = 443,980,402,285.87 - Step 5: Solve for x
x = 443,980,402,285.87/750,799.33 - Step 6: Final answer
x = 591,343.63
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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.