Finding the Fourth Proportional to 513,920.99, 770,877.18 and 401,695.59
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Solution
The fourth proportional to 513,920.99, 770,877.18 and 401,695.59 is: 602,540.02
Step by Step Solution
- Step 1: Write the proportion equation
513,920.99 : 770,877.18 = 401,695.59 : x - Step 2: Convert to fraction form
513,920.99/770,877.18 = 401,695.59/x - Step 3: Cross multiply
513,920.99x = 770,877.18 × 401,695.59 - Step 4: Simplify right side
513,920.99x = 309,657,963,637.64 - Step 5: Solve for x
x = 309,657,963,637.64/513,920.99 - Step 6: Final answer
x = 602,540.02
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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.