Finding the Fourth Proportional to 577,197.28, 865,971.12 and 277,592.84
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Solution
The fourth proportional to 577,197.28, 865,971.12 and 277,592.84 is: 416,473.52
Step by Step Solution
- Step 1: Write the proportion equation
577,197.28 : 865,971.12 = 277,592.84 : x - Step 2: Convert to fraction form
577,197.28/865,971.12 = 277,592.84/x - Step 3: Cross multiply
577,197.28x = 865,971.12 × 277,592.84 - Step 4: Simplify right side
577,197.28x = 240,387,382,558.78 - Step 5: Solve for x
x = 240,387,382,558.78/577,197.28 - Step 6: Final answer
x = 416,473.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.