Finding the Fourth Proportional to 993,036.60, 1,489,749.30 and 424,416.60
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Solution
The fourth proportional to 993,036.60, 1,489,749.30 and 424,416.60 is: 636,707.99
Step by Step Solution
- Step 1: Write the proportion equation
993,036.60 : 1,489,749.30 = 424,416.60 : x - Step 2: Convert to fraction form
993,036.60/1,489,749.30 = 424,416.60/x - Step 3: Cross multiply
993,036.60x = 1,489,749.30 × 424,416.60 - Step 4: Simplify right side
993,036.60x = 632,274,332,758.38 - Step 5: Solve for x
x = 632,274,332,758.38/993,036.60 - Step 6: Final answer
x = 636,707.99
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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.