Finding the Fourth Proportional to 887,228.84, 1,224,400.35 and 543,057.92
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Solution
The fourth proportional to 887,228.84, 1,224,400.35 and 543,057.92 is: 749,434.96
Step by Step Solution
- Step 1: Write the proportion equation
887,228.84 : 1,224,400.35 = 543,057.92 : x - Step 2: Convert to fraction form
887,228.84/1,224,400.35 = 543,057.92/x - Step 3: Cross multiply
887,228.84x = 1,224,400.35 × 543,057.92 - Step 4: Simplify right side
887,228.84x = 664,920,307,318.27 - Step 5: Solve for x
x = 664,920,307,318.27/887,228.84 - Step 6: Final answer
x = 749,434.96
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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.