Finding the Fourth Proportional to 646,963.44, 892,813.09 and 375,192.47
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Solution
The fourth proportional to 646,963.44, 892,813.09 and 375,192.47 is: 517,767.66
Step by Step Solution
- Step 1: Write the proportion equation
646,963.44 : 892,813.09 = 375,192.47 : x - Step 2: Convert to fraction form
646,963.44/892,813.09 = 375,192.47/x - Step 3: Cross multiply
646,963.44x = 892,813.09 × 375,192.47 - Step 4: Simplify right side
646,963.44x = 334,976,748,485.43 - Step 5: Solve for x
x = 334,976,748,485.43/646,963.44 - Step 6: Final answer
x = 517,767.66
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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.