Finding the Fourth Proportional to 914,261.12, 1,261,689.61 and 551,614.87
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Solution
The fourth proportional to 914,261.12, 1,261,689.61 and 551,614.87 is: 761,234.11
Step by Step Solution
- Step 1: Write the proportion equation
914,261.12 : 1,261,689.61 = 551,614.87 : x - Step 2: Convert to fraction form
914,261.12/1,261,689.61 = 551,614.87/x - Step 3: Cross multiply
914,261.12x = 1,261,689.61 × 551,614.87 - Step 4: Simplify right side
914,261.12x = 695,966,745,667.24 - Step 5: Solve for x
x = 695,966,745,667.24/914,261.12 - Step 6: Final answer
x = 761,234.11
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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.