Finding the Fourth Proportional to 492,459.80, 679,599.06 and 277,580.84
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Solution
The fourth proportional to 492,459.80, 679,599.06 and 277,580.84 is: 383,064.12
Step by Step Solution
- Step 1: Write the proportion equation
492,459.80 : 679,599.06 = 277,580.84 : x - Step 2: Convert to fraction form
492,459.80/679,599.06 = 277,580.84/x - Step 3: Cross multiply
492,459.80x = 679,599.06 × 277,580.84 - Step 4: Simplify right side
492,459.80x = 188,643,677,938.01 - Step 5: Solve for x
x = 188,643,677,938.01/492,459.80 - Step 6: Final answer
x = 383,064.12
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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.