Finding the Fourth Proportional to 776,656.68, 1,165,117.86 and 355,968.60
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Solution
The fourth proportional to 776,656.68, 1,165,117.86 and 355,968.60 is: 534,013.79
Step by Step Solution
- Step 1: Write the proportion equation
776,656.68 : 1,165,117.86 = 355,968.60 : x - Step 2: Convert to fraction form
776,656.68/1,165,117.86 = 355,968.60/x - Step 3: Cross multiply
776,656.68x = 1,165,117.86 × 355,968.60 - Step 4: Simplify right side
776,656.68x = 414,745,373,459.20 - Step 5: Solve for x
x = 414,745,373,459.20/776,656.68 - Step 6: Final answer
x = 534,013.79
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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.