Finding the Fourth Proportional to 660,750.75, 911,836.04 and 358,944.75
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Solution
The fourth proportional to 660,750.75, 911,836.04 and 358,944.75 is: 495,343.76
Step by Step Solution
- Step 1: Write the proportion equation
660,750.75 : 911,836.04 = 358,944.75 : x - Step 2: Convert to fraction form
660,750.75/911,836.04 = 358,944.75/x - Step 3: Cross multiply
660,750.75x = 911,836.04 × 358,944.75 - Step 4: Simplify right side
660,750.75x = 327,298,757,624.07 - Step 5: Solve for x
x = 327,298,757,624.07/660,750.75 - Step 6: Final answer
x = 495,343.76
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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.