Finding the Fourth Proportional to 820,625.04, 1,132,483.86 and 458,047.08
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Solution
The fourth proportional to 820,625.04, 1,132,483.86 and 458,047.08 is: 632,116.86
Step by Step Solution
- Step 1: Write the proportion equation
820,625.04 : 1,132,483.86 = 458,047.08 : x - Step 2: Convert to fraction form
820,625.04/1,132,483.86 = 458,047.08/x - Step 3: Cross multiply
820,625.04x = 1,132,483.86 × 458,047.08 - Step 4: Simplify right side
820,625.04x = 518,730,925,220.13 - Step 5: Solve for x
x = 518,730,925,220.13/820,625.04 - Step 6: Final answer
x = 632,116.86
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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.