Finding the Fourth Proportional to 492,277.29, 679,342.59 and 277,425.05
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Solution
The fourth proportional to 492,277.29, 679,342.59 and 277,425.05 is: 382,846.52
Step by Step Solution
- Step 1: Write the proportion equation
492,277.29 : 679,342.59 = 277,425.05 : x - Step 2: Convert to fraction form
492,277.29/679,342.59 = 277,425.05/x - Step 3: Cross multiply
492,277.29x = 679,342.59 × 277,425.05 - Step 4: Simplify right side
492,277.29x = 188,466,648,601.17 - Step 5: Solve for x
x = 188,466,648,601.17/492,277.29 - Step 6: Final answer
x = 382,846.52
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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.