Finding the Fourth Proportional to 642,552.42, 886,437.50 and 370,555.23
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Solution
The fourth proportional to 642,552.42, 886,437.50 and 370,555.23 is: 511,201.95
Step by Step Solution
- Step 1: Write the proportion equation
642,552.42 : 886,437.50 = 370,555.23 : x - Step 2: Convert to fraction form
642,552.42/886,437.50 = 370,555.23/x - Step 3: Cross multiply
642,552.42x = 886,437.50 × 370,555.23 - Step 4: Simplify right side
642,552.42x = 328,474,051,693.13 - Step 5: Solve for x
x = 328,474,051,693.13/642,552.42 - Step 6: Final answer
x = 511,201.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.