Finding the Fourth Proportional to 539,509.97, 744,520.16 and 294,493.79
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Solution
The fourth proportional to 539,509.97, 744,520.16 and 294,493.79 is: 406,399.46
Step by Step Solution
- Step 1: Write the proportion equation
539,509.97 : 744,520.16 = 294,493.79 : x - Step 2: Convert to fraction form
539,509.97/744,520.16 = 294,493.79/x - Step 3: Cross multiply
539,509.97x = 744,520.16 × 294,493.79 - Step 4: Simplify right side
539,509.97x = 219,256,558,454.74 - Step 5: Solve for x
x = 219,256,558,454.74/539,509.97 - Step 6: Final answer
x = 406,399.46
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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.