Finding the Fourth Proportional to 605,708.74, 835,878.11 and 351,207.55
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Solution
The fourth proportional to 605,708.74, 835,878.11 and 351,207.55 is: 484,666.45
Step by Step Solution
- Step 1: Write the proportion equation
605,708.74 : 835,878.11 = 351,207.55 : x - Step 2: Convert to fraction form
605,708.74/835,878.11 = 351,207.55/x - Step 3: Cross multiply
605,708.74x = 835,878.11 × 351,207.55 - Step 4: Simplify right side
605,708.74x = 293,566,703,111.73 - Step 5: Solve for x
x = 293,566,703,111.73/605,708.74 - Step 6: Final answer
x = 484,666.45
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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.