Finding the Fourth Proportional to 702,617.79, 1,053,955.85 and 203,981.79
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Solution
The fourth proportional to 702,617.79, 1,053,955.85 and 203,981.79 is: 305,981.15
Step by Step Solution
- Step 1: Write the proportion equation
702,617.79 : 1,053,955.85 = 203,981.79 : x - Step 2: Convert to fraction form
702,617.79/1,053,955.85 = 203,981.79/x - Step 3: Cross multiply
702,617.79x = 1,053,955.85 × 203,981.79 - Step 4: Simplify right side
702,617.79x = 214,987,799,844.06 - Step 5: Solve for x
x = 214,987,799,844.06/702,617.79 - Step 6: Final answer
x = 305,981.15
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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.