Finding the Fourth Proportional to 555,505.74, 832,937.85 and 489,079.26
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Solution
The fourth proportional to 555,505.74, 832,937.85 and 489,079.26 is: 733,336.49
Step by Step Solution
- Step 1: Write the proportion equation
555,505.74 : 832,937.85 = 489,079.26 : x - Step 2: Convert to fraction form
555,505.74/832,937.85 = 489,079.26/x - Step 3: Cross multiply
555,505.74x = 832,937.85 × 489,079.26 - Step 4: Simplify right side
555,505.74x = 407,372,627,303.99 - Step 5: Solve for x
x = 407,372,627,303.99/555,505.74 - Step 6: Final answer
x = 733,336.49
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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.