Finding the Fourth Proportional to 664,235.10, 996,352.65 and 609,122.70
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Solution
The fourth proportional to 664,235.10, 996,352.65 and 609,122.70 is: 913,684.05
Step by Step Solution
- Step 1: Write the proportion equation
664,235.10 : 996,352.65 = 609,122.70 : x - Step 2: Convert to fraction form
664,235.10/996,352.65 = 609,122.70/x - Step 3: Cross multiply
664,235.10x = 996,352.65 × 609,122.70 - Step 4: Simplify right side
664,235.10x = 606,901,016,320.16 - Step 5: Solve for x
x = 606,901,016,320.16/664,235.10 - Step 6: Final answer
x = 913,684.05
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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.