Finding the Fourth Proportional to 719,547.68, 992,950.08 and 397,251.20
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Solution
The fourth proportional to 719,547.68, 992,950.08 and 397,251.20 is: 548,192.46
Step by Step Solution
- Step 1: Write the proportion equation
719,547.68 : 992,950.08 = 397,251.20 : x - Step 2: Convert to fraction form
719,547.68/992,950.08 = 397,251.20/x - Step 3: Cross multiply
719,547.68x = 992,950.08 × 397,251.20 - Step 4: Simplify right side
719,547.68x = 394,450,610,820.10 - Step 5: Solve for x
x = 394,450,610,820.10/719,547.68 - Step 6: Final answer
x = 548,192.46
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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.