Finding the Fourth Proportional to 523,707.26, 722,746.98 and 394,417.68
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Solution
The fourth proportional to 523,707.26, 722,746.98 and 394,417.68 is: 544,319.72
Step by Step Solution
- Step 1: Write the proportion equation
523,707.26 : 722,746.98 = 394,417.68 : x - Step 2: Convert to fraction form
523,707.26/722,746.98 = 394,417.68/x - Step 3: Cross multiply
523,707.26x = 722,746.98 × 394,417.68 - Step 4: Simplify right side
523,707.26x = 285,064,187,078.61 - Step 5: Solve for x
x = 285,064,187,078.61/523,707.26 - Step 6: Final answer
x = 544,319.72
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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.