Finding the Fourth Proportional to 822,966.20, 1,152,940 and 822,966.20
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Solution
The fourth proportional to 822,966.20, 1,152,940 and 822,966.20 is: 1,152,940
Step by Step Solution
- Step 1: Write the proportion equation
822,966.20 : 1,152,940 = 822,966.20 : x - Step 2: Convert to fraction form
822,966.20/1,152,940 = 822,966.20/x - Step 3: Cross multiply
822,966.20x = 1,152,940 × 822,966.20 - Step 4: Simplify right side
822,966.20x = 948,830,650,628 - Step 5: Solve for x
x = 948,830,650,628/822,966.20 - Step 6: Final answer
x = 1,152,940
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.