Finding the Fourth Proportional to 801,060.98, 1,105,465.80 and 438,507.99
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Solution
The fourth proportional to 801,060.98, 1,105,465.80 and 438,507.99 is: 605,141.93
Step by Step Solution
- Step 1: Write the proportion equation
801,060.98 : 1,105,465.80 = 438,507.99 : x - Step 2: Convert to fraction form
801,060.98/1,105,465.80 = 438,507.99/x - Step 3: Cross multiply
801,060.98x = 1,105,465.80 × 438,507.99 - Step 4: Simplify right side
801,060.98x = 484,755,587,616.15 - Step 5: Solve for x
x = 484,755,587,616.15/801,060.98 - Step 6: Final answer
x = 605,141.93
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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.