Finding the Fourth Proportional to 702,572.40, 969,290.55 and 460,989.09
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Solution
The fourth proportional to 702,572.40, 969,290.55 and 460,989.09 is: 635,994.77
Step by Step Solution
- Step 1: Write the proportion equation
702,572.40 : 969,290.55 = 460,989.09 : x - Step 2: Convert to fraction form
702,572.40/969,290.55 = 460,989.09/x - Step 3: Cross multiply
702,572.40x = 969,290.55 × 460,989.09 - Step 4: Simplify right side
702,572.40x = 446,832,368,590.10 - Step 5: Solve for x
x = 446,832,368,590.10/702,572.40 - Step 6: Final answer
x = 635,994.77
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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.