Finding the Fourth Proportional to 464,424.69, 640,312.77 and 300,792.09
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Solution
The fourth proportional to 464,424.69, 640,312.77 and 300,792.09 is: 414,708.82
Step by Step Solution
- Step 1: Write the proportion equation
464,424.69 : 640,312.77 = 300,792.09 : x - Step 2: Convert to fraction form
464,424.69/640,312.77 = 300,792.09/x - Step 3: Cross multiply
464,424.69x = 640,312.77 × 300,792.09 - Step 4: Simplify right side
464,424.69x = 192,601,016,341.99 - Step 5: Solve for x
x = 192,601,016,341.99/464,424.69 - Step 6: Final answer
x = 414,708.82
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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.