Finding the Fourth Proportional to 878,101.19, 1,317,594.65 and 346,004.09
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Solution
The fourth proportional to 878,101.19, 1,317,594.65 and 346,004.09 is: 519,180.63
Step by Step Solution
- Step 1: Write the proportion equation
878,101.19 : 1,317,594.65 = 346,004.09 : x - Step 2: Convert to fraction form
878,101.19/1,317,594.65 = 346,004.09/x - Step 3: Cross multiply
878,101.19x = 1,317,594.65 × 346,004.09 - Step 4: Simplify right side
878,101.19x = 455,893,129,544.13 - Step 5: Solve for x
x = 455,893,129,544.13/878,101.19 - Step 6: Final answer
x = 519,180.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.