Finding the Fourth Proportional to 691,722.08, 1,037,783.66 and 286,839.11
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Solution
The fourth proportional to 691,722.08, 1,037,783.66 and 286,839.11 is: 430,341.82
Step by Step Solution
- Step 1: Write the proportion equation
691,722.08 : 1,037,783.66 = 286,839.11 : x - Step 2: Convert to fraction form
691,722.08/1,037,783.66 = 286,839.11/x - Step 3: Cross multiply
691,722.08x = 1,037,783.66 × 286,839.11 - Step 4: Simplify right side
691,722.08x = 297,676,941,406.94 - Step 5: Solve for x
x = 297,676,941,406.94/691,722.08 - Step 6: Final answer
x = 430,341.82
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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.