Finding the Fourth Proportional to 554,328.24, 764,995.28 and 309,334.48
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Solution
The fourth proportional to 554,328.24, 764,995.28 and 309,334.48 is: 426,894.03
Step by Step Solution
- Step 1: Write the proportion equation
554,328.24 : 764,995.28 = 309,334.48 : x - Step 2: Convert to fraction form
554,328.24/764,995.28 = 309,334.48/x - Step 3: Cross multiply
554,328.24x = 764,995.28 × 309,334.48 - Step 4: Simplify right side
554,328.24x = 236,639,417,141.25 - Step 5: Solve for x
x = 236,639,417,141.25/554,328.24 - Step 6: Final answer
x = 426,894.03
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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.