Finding the Fourth Proportional to 647,795.76, 893,717.14 and 375,711.08
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Solution
The fourth proportional to 647,795.76, 893,717.14 and 375,711.08 is: 518,341.51
Step by Step Solution
- Step 1: Write the proportion equation
647,795.76 : 893,717.14 = 375,711.08 : x - Step 2: Convert to fraction form
647,795.76/893,717.14 = 375,711.08/x - Step 3: Cross multiply
647,795.76x = 893,717.14 × 375,711.08 - Step 4: Simplify right side
647,795.76x = 335,779,431,883.91 - Step 5: Solve for x
x = 335,779,431,883.91/647,795.76 - Step 6: Final answer
x = 518,341.51
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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.