Finding the Fourth Proportional to 1,242,357.93, 1,863,482.68 and 389,410.12
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Solution
The fourth proportional to 1,242,357.93, 1,863,482.68 and 389,410.12 is: 584,098.19
Step by Step Solution
- Step 1: Write the proportion equation
1,242,357.93 : 1,863,482.68 = 389,410.12 : x - Step 2: Convert to fraction form
1,242,357.93/1,863,482.68 = 389,410.12/x - Step 3: Cross multiply
1,242,357.93x = 1,863,482.68 × 389,410.12 - Step 4: Simplify right side
1,242,357.93x = 725,659,014,036.72 - Step 5: Solve for x
x = 725,659,014,036.72/1,242,357.93 - Step 6: Final answer
x = 584,098.19
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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.