Finding the Fourth Proportional to 614,261.84, 847,293.36 and 422,942.96
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Solution
The fourth proportional to 614,261.84, 847,293.36 and 422,942.96 is: 583,394.15
Step by Step Solution
- Step 1: Write the proportion equation
614,261.84 : 847,293.36 = 422,942.96 : x - Step 2: Convert to fraction form
614,261.84/847,293.36 = 422,942.96/x - Step 3: Cross multiply
614,261.84x = 847,293.36 × 422,942.96 - Step 4: Simplify right side
614,261.84x = 358,356,761,666.75 - Step 5: Solve for x
x = 358,356,761,666.75/614,261.84 - Step 6: Final answer
x = 583,394.15
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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.