Finding the Fourth Proportional to 877,480.75, 1,316,054.67 and 427,749.31
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Solution
The fourth proportional to 877,480.75, 1,316,054.67 and 427,749.31 is: 641,542.82
Step by Step Solution
- Step 1: Write the proportion equation
877,480.75 : 1,316,054.67 = 427,749.31 : x - Step 2: Convert to fraction form
877,480.75/1,316,054.67 = 427,749.31/x - Step 3: Cross multiply
877,480.75x = 1,316,054.67 × 427,749.31 - Step 4: Simplify right side
877,480.75x = 562,941,477,014.78 - Step 5: Solve for x
x = 562,941,477,014.78/877,480.75 - Step 6: Final answer
x = 641,542.82
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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.