Finding the Fourth Proportional to 556,788.54, 768,370.26 and 302,139.74
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Solution
The fourth proportional to 556,788.54, 768,370.26 and 302,139.74 is: 416,953.97
Step by Step Solution
- Step 1: Write the proportion equation
556,788.54 : 768,370.26 = 302,139.74 : x - Step 2: Convert to fraction form
556,788.54/768,370.26 = 302,139.74/x - Step 3: Cross multiply
556,788.54x = 768,370.26 × 302,139.74 - Step 4: Simplify right side
556,788.54x = 232,155,190,580.13 - Step 5: Solve for x
x = 232,155,190,580.13/556,788.54 - Step 6: Final answer
x = 416,953.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.