Finding the Fourth Proportional to 855,471.12, 1,180,532.52 and 473,475.12
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Solution
The fourth proportional to 855,471.12, 1,180,532.52 and 473,475.12 is: 653,385.91
Step by Step Solution
- Step 1: Write the proportion equation
855,471.12 : 1,180,532.52 = 473,475.12 : x - Step 2: Convert to fraction form
855,471.12/1,180,532.52 = 473,475.12/x - Step 3: Cross multiply
855,471.12x = 1,180,532.52 × 473,475.12 - Step 4: Simplify right side
855,471.12x = 558,952,776,570.90 - Step 5: Solve for x
x = 558,952,776,570.90/855,471.12 - Step 6: Final answer
x = 653,385.91
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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.