Finding the Fourth Proportional to 464,420.97, 640,628.75 and 292,065.55
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Solution
The fourth proportional to 464,420.97, 640,628.75 and 292,065.55 is: 402,879.28
Step by Step Solution
- Step 1: Write the proportion equation
464,420.97 : 640,628.75 = 292,065.55 : x - Step 2: Convert to fraction form
464,420.97/640,628.75 = 292,065.55/x - Step 3: Cross multiply
464,420.97x = 640,628.75 × 292,065.55 - Step 4: Simplify right side
464,420.97x = 187,105,587,343.15 - Step 5: Solve for x
x = 187,105,587,343.15/464,420.97 - Step 6: Final answer
x = 402,879.28
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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.