Finding the Fourth Proportional to 535,403.77, 738,880.37 and 320,502.26
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Solution
The fourth proportional to 535,403.77, 738,880.37 and 320,502.26 is: 442,306.99
Step by Step Solution
- Step 1: Write the proportion equation
535,403.77 : 738,880.37 = 320,502.26 : x - Step 2: Convert to fraction form
535,403.77/738,880.37 = 320,502.26/x - Step 3: Cross multiply
535,403.77x = 738,880.37 × 320,502.26 - Step 4: Simplify right side
535,403.77x = 236,812,828,454.64 - Step 5: Solve for x
x = 236,812,828,454.64/535,403.77 - Step 6: Final answer
x = 442,306.99
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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.