Finding the Fourth Proportional to 606,919.68, 910,561.74 and 287,315.13
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Solution
The fourth proportional to 606,919.68, 910,561.74 and 287,315.13 is: 431,058.96
Step by Step Solution
- Step 1: Write the proportion equation
606,919.68 : 910,561.74 = 287,315.13 : x - Step 2: Convert to fraction form
606,919.68/910,561.74 = 287,315.13/x - Step 3: Cross multiply
606,919.68x = 910,561.74 × 287,315.13 - Step 4: Simplify right side
606,919.68x = 261,618,164,701.13 - Step 5: Solve for x
x = 261,618,164,701.13/606,919.68 - Step 6: Final answer
x = 431,058.96
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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.