Finding the Fourth Proportional to 621,559.68, 857,509.44 and 349,565.19
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Solution
The fourth proportional to 621,559.68, 857,509.44 and 349,565.19 is: 482,263.34
Step by Step Solution
- Step 1: Write the proportion equation
621,559.68 : 857,509.44 = 349,565.19 : x - Step 2: Convert to fraction form
621,559.68/857,509.44 = 349,565.19/x - Step 3: Cross multiply
621,559.68x = 857,509.44 × 349,565.19 - Step 4: Simplify right side
621,559.68x = 299,755,450,320.39 - Step 5: Solve for x
x = 299,755,450,320.39/621,559.68 - Step 6: Final answer
x = 482,263.34
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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.