Finding the Fourth Proportional to 838,541.70, 1,157,175.99 and 456,568.47
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Solution
The fourth proportional to 838,541.70, 1,157,175.99 and 456,568.47 is: 630,058.20
Step by Step Solution
- Step 1: Write the proportion equation
838,541.70 : 1,157,175.99 = 456,568.47 : x - Step 2: Convert to fraction form
838,541.70/1,157,175.99 = 456,568.47/x - Step 3: Cross multiply
838,541.70x = 1,157,175.99 × 456,568.47 - Step 4: Simplify right side
838,541.70x = 528,330,071,275.04 - Step 5: Solve for x
x = 528,330,071,275.04/838,541.70 - Step 6: Final answer
x = 630,058.20
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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.