Finding the Fourth Proportional to 633,539.64, 874,285.74 and 347,053.44
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Solution
The fourth proportional to 633,539.64, 874,285.74 and 347,053.44 is: 478,934.32
Step by Step Solution
- Step 1: Write the proportion equation
633,539.64 : 874,285.74 = 347,053.44 : x - Step 2: Convert to fraction form
633,539.64/874,285.74 = 347,053.44/x - Step 3: Cross multiply
633,539.64x = 874,285.74 × 347,053.44 - Step 4: Simplify right side
633,539.64x = 303,423,873,609.95 - Step 5: Solve for x
x = 303,423,873,609.95/633,539.64 - Step 6: Final answer
x = 478,934.32
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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.