Finding the Fourth Proportional to 879,751.53, 1,214,056.35 and 477,343.53
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Solution
The fourth proportional to 879,751.53, 1,214,056.35 and 477,343.53 is: 658,733.66
Step by Step Solution
- Step 1: Write the proportion equation
879,751.53 : 1,214,056.35 = 477,343.53 : x - Step 2: Convert to fraction form
879,751.53/1,214,056.35 = 477,343.53/x - Step 3: Cross multiply
879,751.53x = 1,214,056.35 × 477,343.53 - Step 4: Simplify right side
879,751.53x = 579,521,943,727.92 - Step 5: Solve for x
x = 579,521,943,727.92/879,751.53 - Step 6: Final answer
x = 658,733.66
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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.