Finding the Fourth Proportional to 1,011,763.80, 1,517,470.74 and 380,683.08
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Solution
The fourth proportional to 1,011,763.80, 1,517,470.74 and 380,683.08 is: 570,958.79
Step by Step Solution
- Step 1: Write the proportion equation
1,011,763.80 : 1,517,470.74 = 380,683.08 : x - Step 2: Convert to fraction form
1,011,763.80/1,517,470.74 = 380,683.08/x - Step 3: Cross multiply
1,011,763.80x = 1,517,470.74 × 380,683.08 - Step 4: Simplify right side
1,011,763.80x = 577,675,435,113.08 - Step 5: Solve for x
x = 577,675,435,113.08/1,011,763.80 - Step 6: Final answer
x = 570,958.79
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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.