Finding the Fourth Proportional to 724,507.49, 1,086,764.99 and 424,777.88
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Solution
The fourth proportional to 724,507.49, 1,086,764.99 and 424,777.88 is: 637,169.03
Step by Step Solution
- Step 1: Write the proportion equation
724,507.49 : 1,086,764.99 = 424,777.88 : x - Step 2: Convert to fraction form
724,507.49/1,086,764.99 = 424,777.88/x - Step 3: Cross multiply
724,507.49x = 1,086,764.99 × 424,777.88 - Step 4: Simplify right side
724,507.49x = 461,633,732,423.76 - Step 5: Solve for x
x = 461,633,732,423.76/724,507.49 - Step 6: Final answer
x = 637,169.03
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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.