Finding the Fourth Proportional to 898,220.75, 1,239,536.12 and 553,919.04
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Solution
The fourth proportional to 898,220.75, 1,239,536.12 and 553,919.04 is: 764,403.03
Step by Step Solution
- Step 1: Write the proportion equation
898,220.75 : 1,239,536.12 = 553,919.04 : x - Step 2: Convert to fraction form
898,220.75/1,239,536.12 = 553,919.04/x - Step 3: Cross multiply
898,220.75x = 1,239,536.12 × 553,919.04 - Step 4: Simplify right side
898,220.75x = 686,602,654,866.13 - Step 5: Solve for x
x = 686,602,654,866.13/898,220.75 - Step 6: Final answer
x = 764,403.03
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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.