Finding the Fourth Proportional to 931,783.68, 1,397,671.68 and 266,935.68
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Solution
The fourth proportional to 931,783.68, 1,397,671.68 and 266,935.68 is: 400,402.42
Step by Step Solution
- Step 1: Write the proportion equation
931,783.68 : 1,397,671.68 = 266,935.68 : x - Step 2: Convert to fraction form
931,783.68/1,397,671.68 = 266,935.68/x - Step 3: Cross multiply
931,783.68x = 1,397,671.68 × 266,935.68 - Step 4: Simplify right side
931,783.68x = 373,088,440,317.54 - Step 5: Solve for x
x = 373,088,440,317.54/931,783.68 - Step 6: Final answer
x = 400,402.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.