Finding the Fourth Proportional to 633,807.93, 874,655.55 and 347,328.66
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Solution
The fourth proportional to 633,807.93, 874,655.55 and 347,328.66 is: 479,313.88
Step by Step Solution
- Step 1: Write the proportion equation
633,807.93 : 874,655.55 = 347,328.66 : x - Step 2: Convert to fraction form
633,807.93/874,655.55 = 347,328.66/x - Step 3: Cross multiply
633,807.93x = 874,655.55 × 347,328.66 - Step 4: Simplify right side
633,807.93x = 303,792,940,143.06 - Step 5: Solve for x
x = 303,792,940,143.06/633,807.93 - Step 6: Final answer
x = 479,313.88
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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.