Finding the Fourth Proportional to 708,211.08, 977,216.94 and 421,723.80
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Solution
The fourth proportional to 708,211.08, 977,216.94 and 421,723.80 is: 581,910.75
Step by Step Solution
- Step 1: Write the proportion equation
708,211.08 : 977,216.94 = 421,723.80 : x - Step 2: Convert to fraction form
708,211.08/977,216.94 = 421,723.80/x - Step 3: Cross multiply
708,211.08x = 977,216.94 × 421,723.80 - Step 4: Simplify right side
708,211.08x = 412,115,641,361.17 - Step 5: Solve for x
x = 412,115,641,361.17/708,211.08 - Step 6: Final answer
x = 581,910.75
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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.