Finding the Fourth Proportional to 497,518.23, 686,673.14 and 346,527.75
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Solution
The fourth proportional to 497,518.23, 686,673.14 and 346,527.75 is: 478,276.54
Step by Step Solution
- Step 1: Write the proportion equation
497,518.23 : 686,673.14 = 346,527.75 : x - Step 2: Convert to fraction form
497,518.23/686,673.14 = 346,527.75/x - Step 3: Cross multiply
497,518.23x = 686,673.14 × 346,527.75 - Step 4: Simplify right side
497,518.23x = 237,951,296,457.00 - Step 5: Solve for x
x = 237,951,296,457.00/497,518.23 - Step 6: Final answer
x = 478,276.54
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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.