Finding the Fourth Proportional to 1,037,365, 1,431,589.04 and 578,475.12
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Solution
The fourth proportional to 1,037,365, 1,431,589.04 and 578,475.12 is: 798,309.80
Step by Step Solution
- Step 1: Write the proportion equation
1,037,365 : 1,431,589.04 = 578,475.12 : x - Step 2: Convert to fraction form
1,037,365/1,431,589.04 = 578,475.12/x - Step 3: Cross multiply
1,037,365x = 1,431,589.04 × 578,475.12 - Step 4: Simplify right side
1,037,365x = 828,138,641,704.69 - Step 5: Solve for x
x = 828,138,641,704.69/1,037,365 - Step 6: Final answer
x = 798,309.80
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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.