Finding the Fourth Proportional to 547,531.16, 755,948.58 and 490,070.84
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Solution
The fourth proportional to 547,531.16, 755,948.58 and 490,070.84 is: 676,616.02
Step by Step Solution
- Step 1: Write the proportion equation
547,531.16 : 755,948.58 = 490,070.84 : x - Step 2: Convert to fraction form
547,531.16/755,948.58 = 490,070.84/x - Step 3: Cross multiply
547,531.16x = 755,948.58 × 490,070.84 - Step 4: Simplify right side
547,531.16x = 370,468,355,597.41 - Step 5: Solve for x
x = 370,468,355,597.41/547,531.16 - Step 6: Final answer
x = 676,616.02
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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.