Finding the Fourth Proportional to 646,963.19, 892,812.74 and 375,192.21
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Solution
The fourth proportional to 646,963.19, 892,812.74 and 375,192.21 is: 517,767.31
Step by Step Solution
- Step 1: Write the proportion equation
646,963.19 : 892,812.74 = 375,192.21 : x - Step 2: Convert to fraction form
646,963.19/892,812.74 = 375,192.21/x - Step 3: Cross multiply
646,963.19x = 892,812.74 × 375,192.21 - Step 4: Simplify right side
646,963.19x = 334,976,387,564.07 - Step 5: Solve for x
x = 334,976,387,564.07/646,963.19 - Step 6: Final answer
x = 517,767.31
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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.