Finding the Fourth Proportional to 770,290.08, 1,062,971.28 and 430,751.04
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Solution
The fourth proportional to 770,290.08, 1,062,971.28 and 430,751.04 is: 594,420.20
Step by Step Solution
- Step 1: Write the proportion equation
770,290.08 : 1,062,971.28 = 430,751.04 : x - Step 2: Convert to fraction form
770,290.08/1,062,971.28 = 430,751.04/x - Step 3: Cross multiply
770,290.08x = 1,062,971.28 × 430,751.04 - Step 4: Simplify right side
770,290.08x = 457,875,984,350.13 - Step 5: Solve for x
x = 457,875,984,350.13/770,290.08 - Step 6: Final answer
x = 594,420.20
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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.