Finding the Fourth Proportional to 524,919.95, 724,389.70 and 307,170.48
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Solution
The fourth proportional to 524,919.95, 724,389.70 and 307,170.48 is: 423,895.36
Step by Step Solution
- Step 1: Write the proportion equation
524,919.95 : 724,389.70 = 307,170.48 : x - Step 2: Convert to fraction form
524,919.95/724,389.70 = 307,170.48/x - Step 3: Cross multiply
524,919.95x = 724,389.70 × 307,170.48 - Step 4: Simplify right side
524,919.95x = 222,511,131,088.13 - Step 5: Solve for x
x = 222,511,131,088.13/524,919.95 - Step 6: Final answer
x = 423,895.36
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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.