Finding the Fourth Proportional to 876,867.98, 1,315,439.56 and 371,430.42
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Solution
The fourth proportional to 876,867.98, 1,315,439.56 and 371,430.42 is: 557,203.91
Step by Step Solution
- Step 1: Write the proportion equation
876,867.98 : 1,315,439.56 = 371,430.42 : x - Step 2: Convert to fraction form
876,867.98/1,315,439.56 = 371,430.42/x - Step 3: Cross multiply
876,867.98x = 1,315,439.56 × 371,430.42 - Step 4: Simplify right side
876,867.98x = 488,594,268,255.42 - Step 5: Solve for x
x = 488,594,268,255.42/876,867.98 - Step 6: Final answer
x = 557,203.91
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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.