Finding the Fourth Proportional to 1,012,769.94, 1,397,565.99 and 553,793.43
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Solution
The fourth proportional to 1,012,769.94, 1,397,565.99 and 553,793.43 is: 764,204.02
Step by Step Solution
- Step 1: Write the proportion equation
1,012,769.94 : 1,397,565.99 = 553,793.43 : x - Step 2: Convert to fraction form
1,012,769.94/1,397,565.99 = 553,793.43/x - Step 3: Cross multiply
1,012,769.94x = 1,397,565.99 × 553,793.43 - Step 4: Simplify right side
1,012,769.94x = 773,962,863,253.45 - Step 5: Solve for x
x = 773,962,863,253.45/1,012,769.94 - Step 6: Final answer
x = 764,204.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.