Finding the Fourth Proportional to 631,014.66, 946,581.50 and 489,018.99
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Solution
The fourth proportional to 631,014.66, 946,581.50 and 489,018.99 is: 733,574.60
Step by Step Solution
- Step 1: Write the proportion equation
631,014.66 : 946,581.50 = 489,018.99 : x - Step 2: Convert to fraction form
631,014.66/946,581.50 = 489,018.99/x - Step 3: Cross multiply
631,014.66x = 946,581.50 × 489,018.99 - Step 4: Simplify right side
631,014.66x = 462,896,329,082.69 - Step 5: Solve for x
x = 462,896,329,082.69/631,014.66 - Step 6: Final answer
x = 733,574.60
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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.