Finding the Fourth Proportional to 898,471.59, 1,239,881.28 and 490,572.14
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Solution
The fourth proportional to 898,471.59, 1,239,881.28 and 490,572.14 is: 676,984.35
Step by Step Solution
- Step 1: Write the proportion equation
898,471.59 : 1,239,881.28 = 490,572.14 : x - Step 2: Convert to fraction form
898,471.59/1,239,881.28 = 490,572.14/x - Step 3: Cross multiply
898,471.59x = 1,239,881.28 × 490,572.14 - Step 4: Simplify right side
898,471.59x = 608,251,206,676.13 - Step 5: Solve for x
x = 608,251,206,676.13/898,471.59 - Step 6: Final answer
x = 676,984.35
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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.