Finding the Fourth Proportional to 898,479.09, 1,239,891.62 and 490,579.65
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Solution
The fourth proportional to 898,479.09, 1,239,891.62 and 490,579.65 is: 676,994.71
Step by Step Solution
- Step 1: Write the proportion equation
898,479.09 : 1,239,891.62 = 490,579.65 : x - Step 2: Convert to fraction form
898,479.09/1,239,891.62 = 490,579.65/x - Step 3: Cross multiply
898,479.09x = 1,239,891.62 × 490,579.65 - Step 4: Simplify right side
898,479.09x = 608,265,594,524.64 - Step 5: Solve for x
x = 608,265,594,524.64/898,479.09 - Step 6: Final answer
x = 676,994.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.