Finding the Fourth Proportional to 660,517.94, 911,519.44 and 358,711.94
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Solution
The fourth proportional to 660,517.94, 911,519.44 and 358,711.94 is: 495,025.02
Step by Step Solution
- Step 1: Write the proportion equation
660,517.94 : 911,519.44 = 358,711.94 : x - Step 2: Convert to fraction form
660,517.94/911,519.44 = 358,711.94/x - Step 3: Cross multiply
660,517.94x = 911,519.44 × 358,711.94 - Step 4: Simplify right side
660,517.94x = 326,972,908,052.13 - Step 5: Solve for x
x = 326,972,908,052.13/660,517.94 - Step 6: Final answer
x = 495,025.02
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1.5x scale
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.