Finding the Fourth Proportional to 801,350.68, 1,105,863.78 and 438,774.47
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Solution
The fourth proportional to 801,350.68, 1,105,863.78 and 438,774.47 is: 605,508.68
Step by Step Solution
- Step 1: Write the proportion equation
801,350.68 : 1,105,863.78 = 438,774.47 : x - Step 2: Convert to fraction form
801,350.68/1,105,863.78 = 438,774.47/x - Step 3: Cross multiply
801,350.68x = 1,105,863.78 × 438,774.47 - Step 4: Simplify right side
801,350.68x = 485,224,793,961.70 - Step 5: Solve for x
x = 485,224,793,961.70/801,350.68 - Step 6: Final answer
x = 605,508.68
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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.