Finding the Fourth Proportional to 674,376.16, 1,011,712.32 and 253,652.08
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Solution
The fourth proportional to 674,376.16, 1,011,712.32 and 253,652.08 is: 380,533.82
Step by Step Solution
- Step 1: Write the proportion equation
674,376.16 : 1,011,712.32 = 253,652.08 : x - Step 2: Convert to fraction form
674,376.16/1,011,712.32 = 253,652.08/x - Step 3: Cross multiply
674,376.16x = 1,011,712.32 × 253,652.08 - Step 4: Simplify right side
674,376.16x = 256,622,934,329.63 - Step 5: Solve for x
x = 256,622,934,329.63/674,376.16 - Step 6: Final answer
x = 380,533.82
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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.