Finding the Fourth Proportional to 609,202.75, 840,699.80 and 340,930.75
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Solution
The fourth proportional to 609,202.75, 840,699.80 and 340,930.75 is: 470,484.44
Step by Step Solution
- Step 1: Write the proportion equation
609,202.75 : 840,699.80 = 340,930.75 : x - Step 2: Convert to fraction form
609,202.75/840,699.80 = 340,930.75/x - Step 3: Cross multiply
609,202.75x = 840,699.80 × 340,930.75 - Step 4: Simplify right side
609,202.75x = 286,620,413,338.85 - Step 5: Solve for x
x = 286,620,413,338.85/609,202.75 - Step 6: Final answer
x = 470,484.44
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1.5x scale
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.