Finding the Fourth Proportional to 898,503.06, 1,239,959.79 and 490,630.80
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Solution
The fourth proportional to 898,503.06, 1,239,959.79 and 490,630.80 is: 677,084.47
Step by Step Solution
- Step 1: Write the proportion equation
898,503.06 : 1,239,959.79 = 490,630.80 : x - Step 2: Convert to fraction form
898,503.06/1,239,959.79 = 490,630.80/x - Step 3: Cross multiply
898,503.06x = 1,239,959.79 × 490,630.80 - Step 4: Simplify right side
898,503.06x = 608,362,463,735.53 - Step 5: Solve for x
x = 608,362,463,735.53/898,503.06 - Step 6: Final answer
x = 677,084.47
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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.