Finding the Fourth Proportional to 1,011,403.09, 1,517,703.16 and 372,155.71
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Solution
The fourth proportional to 1,011,403.09, 1,517,703.16 and 372,155.71 is: 558,453.80
Step by Step Solution
- Step 1: Write the proportion equation
1,011,403.09 : 1,517,703.16 = 372,155.71 : x - Step 2: Convert to fraction form
1,011,403.09/1,517,703.16 = 372,155.71/x - Step 3: Cross multiply
1,011,403.09x = 1,517,703.16 × 372,155.71 - Step 4: Simplify right side
1,011,403.09x = 564,821,897,079.04 - Step 5: Solve for x
x = 564,821,897,079.04/1,011,403.09 - Step 6: Final answer
x = 558,453.80
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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.