Finding the Fourth Proportional to 664,325.80, 996,488.70 and 243,765.70
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Solution
The fourth proportional to 664,325.80, 996,488.70 and 243,765.70 is: 365,648.55
Step by Step Solution
- Step 1: Write the proportion equation
664,325.80 : 996,488.70 = 243,765.70 : x - Step 2: Convert to fraction form
664,325.80/996,488.70 = 243,765.70/x - Step 3: Cross multiply
664,325.80x = 996,488.70 × 243,765.70 - Step 4: Simplify right side
664,325.80x = 242,909,765,497.59 - Step 5: Solve for x
x = 242,909,765,497.59/664,325.80 - Step 6: Final answer
x = 365,648.55
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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.