Finding the Fourth Proportional to 891,720.06, 1,337,623.96 and 359,169.09
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Solution
The fourth proportional to 891,720.06, 1,337,623.96 and 359,169.09 is: 538,771.31
Step by Step Solution
- Step 1: Write the proportion equation
891,720.06 : 1,337,623.96 = 359,169.09 : x - Step 2: Convert to fraction form
891,720.06/1,337,623.96 = 359,169.09/x - Step 3: Cross multiply
891,720.06x = 1,337,623.96 × 359,169.09 - Step 4: Simplify right side
891,720.06x = 480,433,180,475.40 - Step 5: Solve for x
x = 480,433,180,475.40/891,720.06 - Step 6: Final answer
x = 538,771.31
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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.