Finding the Fourth Proportional to 898,441.74, 1,239,853.86 and 490,551.84
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Solution
The fourth proportional to 898,441.74, 1,239,853.86 and 490,551.84 is: 676,963.86
Step by Step Solution
- Step 1: Write the proportion equation
898,441.74 : 1,239,853.86 = 490,551.84 : x - Step 2: Convert to fraction form
898,441.74/1,239,853.86 = 490,551.84/x - Step 3: Cross multiply
898,441.74x = 1,239,853.86 × 490,551.84 - Step 4: Simplify right side
898,441.74x = 608,212,592,354.10 - Step 5: Solve for x
x = 608,212,592,354.10/898,441.74 - Step 6: Final answer
x = 676,963.86
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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.