Finding the Fourth Proportional to 554,292.48, 764,924.16 and 299,643.68
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Solution
The fourth proportional to 554,292.48, 764,924.16 and 299,643.68 is: 413,508.57
Step by Step Solution
- Step 1: Write the proportion equation
554,292.48 : 764,924.16 = 299,643.68 : x - Step 2: Convert to fraction form
554,292.48/764,924.16 = 299,643.68/x - Step 3: Cross multiply
554,292.48x = 764,924.16 × 299,643.68 - Step 4: Simplify right side
554,292.48x = 229,204,690,223.31 - Step 5: Solve for x
x = 229,204,690,223.31/554,292.48 - Step 6: Final answer
x = 413,508.57
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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.