Finding the Fourth Proportional to 614,905.98, 922,639.20 and 315,596.72
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Solution
The fourth proportional to 614,905.98, 922,639.20 and 315,596.72 is: 473,538.91
Step by Step Solution
- Step 1: Write the proportion equation
614,905.98 : 922,639.20 = 315,596.72 : x - Step 2: Convert to fraction form
614,905.98/922,639.20 = 315,596.72/x - Step 3: Cross multiply
614,905.98x = 922,639.20 × 315,596.72 - Step 4: Simplify right side
614,905.98x = 291,181,905,263.42 - Step 5: Solve for x
x = 291,181,905,263.42/614,905.98 - Step 6: Final answer
x = 473,538.91
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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.