Finding the Fourth Proportional to 664,497.80, 996,746.70 and 664,497.80
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Solution
The fourth proportional to 664,497.80, 996,746.70 and 664,497.80 is: 996,746.70
Step by Step Solution
- Step 1: Write the proportion equation
664,497.80 : 996,746.70 = 664,497.80 : x - Step 2: Convert to fraction form
664,497.80/996,746.70 = 664,497.80/x - Step 3: Cross multiply
664,497.80x = 996,746.70 × 664,497.80 - Step 4: Simplify right side
664,497.80x = 662,335,989,307.26 - Step 5: Solve for x
x = 662,335,989,307.26/664,497.80 - Step 6: Final answer
x = 996,746.70
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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.