Finding the Fourth Proportional to 988,768.09, 1,483,141.30 and 750,346.58
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Solution
The fourth proportional to 988,768.09, 1,483,141.30 and 750,346.58 is: 1,125,511.65
Step by Step Solution
- Step 1: Write the proportion equation
988,768.09 : 1,483,141.30 = 750,346.58 : x - Step 2: Convert to fraction form
988,768.09/1,483,141.30 = 750,346.58/x - Step 3: Cross multiply
988,768.09x = 1,483,141.30 × 750,346.58 - Step 4: Simplify right side
988,768.09x = 1,112,870,003,943.74 - Step 5: Solve for x
x = 1,112,870,003,943.74/988,768.09 - Step 6: Final answer
x = 1,125,511.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.