Finding the Fourth Proportional to 663,903.70, 995,855.55 and 453,951.70
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Solution
The fourth proportional to 663,903.70, 995,855.55 and 453,951.70 is: 680,927.55
Step by Step Solution
- Step 1: Write the proportion equation
663,903.70 : 995,855.55 = 453,951.70 : x - Step 2: Convert to fraction form
663,903.70/995,855.55 = 453,951.70/x - Step 3: Cross multiply
663,903.70x = 995,855.55 × 453,951.70 - Step 4: Simplify right side
663,903.70x = 452,070,319,876.94 - Step 5: Solve for x
x = 452,070,319,876.94/663,903.70 - Step 6: Final answer
x = 680,927.55
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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.