Finding the Fourth Proportional to 907,636.35, 1,363,778.21 and 685,092.70
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Solution
The fourth proportional to 907,636.35, 1,363,778.21 and 685,092.70 is: 1,029,392.99
Step by Step Solution
- Step 1: Write the proportion equation
907,636.35 : 1,363,778.21 = 685,092.70 : x - Step 2: Convert to fraction form
907,636.35/1,363,778.21 = 685,092.70/x - Step 3: Cross multiply
907,636.35x = 1,363,778.21 × 685,092.70 - Step 4: Simplify right side
907,636.35x = 934,314,491,836.27 - Step 5: Solve for x
x = 934,314,491,836.27/907,636.35 - Step 6: Final answer
x = 1,029,392.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.