Finding the Fourth Proportional to 558,655.20, 771,329.88 and 522,963.36
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Solution
The fourth proportional to 558,655.20, 771,329.88 and 522,963.36 is: 722,050.50
Step by Step Solution
- Step 1: Write the proportion equation
558,655.20 : 771,329.88 = 522,963.36 : x - Step 2: Convert to fraction form
558,655.20/771,329.88 = 522,963.36/x - Step 3: Cross multiply
558,655.20x = 771,329.88 × 522,963.36 - Step 4: Simplify right side
558,655.20x = 403,377,265,713.20 - Step 5: Solve for x
x = 403,377,265,713.20/558,655.20 - Step 6: Final answer
x = 722,050.50
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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.