Finding the Fourth Proportional to 660,466.63, 911,444.16 and 358,660.63
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Solution
The fourth proportional to 660,466.63, 911,444.16 and 358,660.63 is: 494,951.78
Step by Step Solution
- Step 1: Write the proportion equation
660,466.63 : 911,444.16 = 358,660.63 : x - Step 2: Convert to fraction form
660,466.63/911,444.16 = 358,660.63/x - Step 3: Cross multiply
660,466.63x = 911,444.16 × 358,660.63 - Step 4: Simplify right side
660,466.63x = 326,899,136,635.42 - Step 5: Solve for x
x = 326,899,136,635.42/660,466.63 - Step 6: Final answer
x = 494,951.78
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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.