Finding the Fourth Proportional to 632,226.13, 872,478.95 and 345,740.06
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Solution
The fourth proportional to 632,226.13, 872,478.95 and 345,740.06 is: 477,125.05
Step by Step Solution
- Step 1: Write the proportion equation
632,226.13 : 872,478.95 = 345,740.06 : x - Step 2: Convert to fraction form
632,226.13/872,478.95 = 345,740.06/x - Step 3: Cross multiply
632,226.13x = 872,478.95 × 345,740.06 - Step 4: Simplify right side
632,226.13x = 301,650,924,974.23 - Step 5: Solve for x
x = 301,650,924,974.23/632,226.13 - Step 6: Final answer
x = 477,125.05
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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.