Finding the Fourth Proportional to 764,095.79, 1,054,409.28 and 458,018.99
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Solution
The fourth proportional to 764,095.79, 1,054,409.28 and 458,018.99 is: 632,040.48
Step by Step Solution
- Step 1: Write the proportion equation
764,095.79 : 1,054,409.28 = 458,018.99 : x - Step 2: Convert to fraction form
764,095.79/1,054,409.28 = 458,018.99/x - Step 3: Cross multiply
764,095.79x = 1,054,409.28 × 458,018.99 - Step 4: Simplify right side
764,095.79x = 482,939,473,472.23 - Step 5: Solve for x
x = 482,939,473,472.23/764,095.79 - Step 6: Final answer
x = 632,040.48
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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.