Finding the Fourth Proportional to 1,012,388.63, 1,397,125.49 and 559,708.79
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Solution
The fourth proportional to 1,012,388.63, 1,397,125.49 and 559,708.79 is: 772,414.26
Step by Step Solution
- Step 1: Write the proportion equation
1,012,388.63 : 1,397,125.49 = 559,708.79 : x - Step 2: Convert to fraction form
1,012,388.63/1,397,125.49 = 559,708.79/x - Step 3: Cross multiply
1,012,388.63x = 1,397,125.49 × 559,708.79 - Step 4: Simplify right side
1,012,388.63x = 781,983,407,701.89 - Step 5: Solve for x
x = 781,983,407,701.89/1,012,388.63 - Step 6: Final answer
x = 772,414.26
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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.