Finding the Fourth Proportional to 560,565.95, 838,726.70 and 343,653.21
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Solution
The fourth proportional to 560,565.95, 838,726.70 and 343,653.21 is: 514,178.79
Step by Step Solution
- Step 1: Write the proportion equation
560,565.95 : 838,726.70 = 343,653.21 : x - Step 2: Convert to fraction form
560,565.95/838,726.70 = 343,653.21/x - Step 3: Cross multiply
560,565.95x = 838,726.70 × 343,653.21 - Step 4: Simplify right side
560,565.95x = 288,231,121,049.44 - Step 5: Solve for x
x = 288,231,121,049.44/560,565.95 - Step 6: Final answer
x = 514,178.79
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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.