Finding the Fourth Proportional to 893,555.80, 1,340,333.70 and 302,579.80
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Solution
The fourth proportional to 893,555.80, 1,340,333.70 and 302,579.80 is: 453,869.70
Step by Step Solution
- Step 1: Write the proportion equation
893,555.80 : 1,340,333.70 = 302,579.80 : x - Step 2: Convert to fraction form
893,555.80/1,340,333.70 = 302,579.80/x - Step 3: Cross multiply
893,555.80x = 1,340,333.70 × 302,579.80 - Step 4: Simplify right side
893,555.80x = 405,557,902,879.26 - Step 5: Solve for x
x = 405,557,902,879.26/893,555.80 - Step 6: Final answer
x = 453,869.70
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1.5x scale
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.