Finding the Fourth Proportional to 477,878.37, 716,415.78 and 319,623.81
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Solution
The fourth proportional to 477,878.37, 716,415.78 and 319,623.81 is: 479,166.99
Step by Step Solution
- Step 1: Write the proportion equation
477,878.37 : 716,415.78 = 319,623.81 : x - Step 2: Convert to fraction form
477,878.37/716,415.78 = 319,623.81/x - Step 3: Cross multiply
477,878.37x = 716,415.78 × 319,623.81 - Step 4: Simplify right side
477,878.37x = 228,983,541,147.72 - Step 5: Solve for x
x = 228,983,541,147.72/477,878.37 - Step 6: Final answer
x = 479,166.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.