Finding the Fourth Proportional to 647,792.76, 893,713.02 and 375,708.08
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Solution
The fourth proportional to 647,792.76, 893,713.02 and 375,708.08 is: 518,337.38
Step by Step Solution
- Step 1: Write the proportion equation
647,792.76 : 893,713.02 = 375,708.08 : x - Step 2: Convert to fraction form
647,792.76/893,713.02 = 375,708.08/x - Step 3: Cross multiply
647,792.76x = 893,713.02 × 375,708.08 - Step 4: Simplify right side
647,792.76x = 335,775,202,815.20 - Step 5: Solve for x
x = 335,775,202,815.20/647,792.76 - Step 6: Final answer
x = 518,337.38
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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.