Finding the Fourth Proportional to 676,806.30, 934,280.84 and 456,091.99
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Solution
The fourth proportional to 676,806.30, 934,280.84 and 456,091.99 is: 629,601.12
Step by Step Solution
- Step 1: Write the proportion equation
676,806.30 : 934,280.84 = 456,091.99 : x - Step 2: Convert to fraction form
676,806.30/934,280.84 = 456,091.99/x - Step 3: Cross multiply
676,806.30x = 934,280.84 × 456,091.99 - Step 4: Simplify right side
676,806.30x = 426,118,006,339.00 - Step 5: Solve for x
x = 426,118,006,339.00/676,806.30 - Step 6: Final answer
x = 629,601.12
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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.