Finding the Fourth Proportional to 981,219.18, 1,354,037.98 and 573,358.26
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Solution
The fourth proportional to 981,219.18, 1,354,037.98 and 573,358.26 is: 791,208.40
Step by Step Solution
- Step 1: Write the proportion equation
981,219.18 : 1,354,037.98 = 573,358.26 : x - Step 2: Convert to fraction form
981,219.18/1,354,037.98 = 573,358.26/x - Step 3: Cross multiply
981,219.18x = 1,354,037.98 × 573,358.26 - Step 4: Simplify right side
981,219.18x = 776,348,860,186.72 - Step 5: Solve for x
x = 776,348,860,186.72/981,219.18 - Step 6: Final answer
x = 791,208.40
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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.