Finding the Fourth Proportional to 763,744.29, 1,145,177.41 and 314,775.06
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Solution
The fourth proportional to 763,744.29, 1,145,177.41 and 314,775.06 is: 471,981.65
Step by Step Solution
- Step 1: Write the proportion equation
763,744.29 : 1,145,177.41 = 314,775.06 : x - Step 2: Convert to fraction form
763,744.29/1,145,177.41 = 314,775.06/x - Step 3: Cross multiply
763,744.29x = 1,145,177.41 × 314,775.06 - Step 4: Simplify right side
763,744.29x = 360,473,287,943.40 - Step 5: Solve for x
x = 360,473,287,943.40/763,744.29 - Step 6: Final answer
x = 471,981.65
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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.