Finding the Fourth Proportional to 750,493.12, 1,125,399.86 and 323,827.64
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Solution
The fourth proportional to 750,493.12, 1,125,399.86 and 323,827.64 is: 485,594.83
Step by Step Solution
- Step 1: Write the proportion equation
750,493.12 : 1,125,399.86 = 323,827.64 : x - Step 2: Convert to fraction form
750,493.12/1,125,399.86 = 323,827.64/x - Step 3: Cross multiply
750,493.12x = 1,125,399.86 × 323,827.64 - Step 4: Simplify right side
750,493.12x = 364,435,580,720.13 - Step 5: Solve for x
x = 364,435,580,720.13/750,493.12 - Step 6: Final answer
x = 485,594.83
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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.