Finding the Fourth Proportional to 558,385.97, 837,672.35 and 438,438.06
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Solution
The fourth proportional to 558,385.97, 837,672.35 and 438,438.06 is: 657,730.42
Step by Step Solution
- Step 1: Write the proportion equation
558,385.97 : 837,672.35 = 438,438.06 : x - Step 2: Convert to fraction form
558,385.97/837,672.35 = 438,438.06/x - Step 3: Cross multiply
558,385.97x = 837,672.35 × 438,438.06 - Step 4: Simplify right side
558,385.97x = 367,267,437,857.45 - Step 5: Solve for x
x = 367,267,437,857.45/558,385.97 - Step 6: Final answer
x = 657,730.42
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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.