Finding the Fourth Proportional to 680,296.08, 1,020,421.44 and 365,368.08
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Solution
The fourth proportional to 680,296.08, 1,020,421.44 and 365,368.08 is: 548,039.94
Step by Step Solution
- Step 1: Write the proportion equation
680,296.08 : 1,020,421.44 = 365,368.08 : x - Step 2: Convert to fraction form
680,296.08/1,020,421.44 = 365,368.08/x - Step 3: Cross multiply
680,296.08x = 1,020,421.44 × 365,368.08 - Step 4: Simplify right side
680,296.08x = 372,829,422,323.64 - Step 5: Solve for x
x = 372,829,422,323.64/680,296.08 - Step 6: Final answer
x = 548,039.94
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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.