Finding the Fourth Proportional to 664,453.80, 996,680.70 and 571,141.80
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Solution
The fourth proportional to 664,453.80, 996,680.70 and 571,141.80 is: 856,712.70
Step by Step Solution
- Step 1: Write the proportion equation
664,453.80 : 996,680.70 = 571,141.80 : x - Step 2: Convert to fraction form
664,453.80/996,680.70 = 571,141.80/x - Step 3: Cross multiply
664,453.80x = 996,680.70 × 571,141.80 - Step 4: Simplify right side
664,453.80x = 569,246,009,023.26 - Step 5: Solve for x
x = 569,246,009,023.26/664,453.80 - Step 6: Final answer
x = 856,712.70
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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.