Finding the Fourth Proportional to 745,963.74, 1,119,921.12 and 442,911.06
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Solution
The fourth proportional to 745,963.74, 1,119,921.12 and 442,911.06 is: 664,945.79
Step by Step Solution
- Step 1: Write the proportion equation
745,963.74 : 1,119,921.12 = 442,911.06 : x - Step 2: Convert to fraction form
745,963.74/1,119,921.12 = 442,911.06/x - Step 3: Cross multiply
745,963.74x = 1,119,921.12 × 442,911.06 - Step 4: Simplify right side
745,963.74x = 496,025,450,375.59 - Step 5: Solve for x
x = 496,025,450,375.59/745,963.74 - Step 6: Final answer
x = 664,945.79
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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.