Finding the Fourth Proportional to 1,476,811.36, 2,215,216.80 and 354,880.36
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Solution
The fourth proportional to 1,476,811.36, 2,215,216.80 and 354,880.36 is: 532,320.48
Step by Step Solution
- Step 1: Write the proportion equation
1,476,811.36 : 2,215,216.80 = 354,880.36 : x - Step 2: Convert to fraction form
1,476,811.36/2,215,216.80 = 354,880.36/x - Step 3: Cross multiply
1,476,811.36x = 2,215,216.80 × 354,880.36 - Step 4: Simplify right side
1,476,811.36x = 786,136,935,462.05 - Step 5: Solve for x
x = 786,136,935,462.05/1,476,811.36 - Step 6: Final answer
x = 532,320.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.