Finding the Fourth Proportional to 898,498.08, 1,239,952.88 and 490,625.84
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Solution
The fourth proportional to 898,498.08, 1,239,952.88 and 490,625.84 is: 677,077.60
Step by Step Solution
- Step 1: Write the proportion equation
898,498.08 : 1,239,952.88 = 490,625.84 : x - Step 2: Convert to fraction form
898,498.08/1,239,952.88 = 490,625.84/x - Step 3: Cross multiply
898,498.08x = 1,239,952.88 × 490,625.84 - Step 4: Simplify right side
898,498.08x = 608,352,923,310.42 - Step 5: Solve for x
x = 608,352,923,310.42/898,498.08 - Step 6: Final answer
x = 677,077.60
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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.