Finding the Fourth Proportional to 623,532.12, 860,482.62 and 368,876.76
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Solution
The fourth proportional to 623,532.12, 860,482.62 and 368,876.76 is: 509,054.84
Step by Step Solution
- Step 1: Write the proportion equation
623,532.12 : 860,482.62 = 368,876.76 : x - Step 2: Convert to fraction form
623,532.12/860,482.62 = 368,876.76/x - Step 3: Cross multiply
623,532.12x = 860,482.62 × 368,876.76 - Step 4: Simplify right side
623,532.12x = 317,412,040,901.91 - Step 5: Solve for x
x = 317,412,040,901.91/623,532.12 - Step 6: Final answer
x = 509,054.84
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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.