Finding the Fourth Proportional to 626,689.18, 864,739.83 and 358,365.34
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Solution
The fourth proportional to 626,689.18, 864,739.83 and 358,365.34 is: 494,492.00
Step by Step Solution
- Step 1: Write the proportion equation
626,689.18 : 864,739.83 = 358,365.34 : x - Step 2: Convert to fraction form
626,689.18/864,739.83 = 358,365.34/x - Step 3: Cross multiply
626,689.18x = 864,739.83 × 358,365.34 - Step 4: Simplify right side
626,689.18x = 309,892,783,189.49 - Step 5: Solve for x
x = 309,892,783,189.49/626,689.18 - Step 6: Final answer
x = 494,492.00
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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.