Finding the Fourth Proportional to 855,761.26, 1,180,994.08 and 473,830.06
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Solution
The fourth proportional to 855,761.26, 1,180,994.08 and 473,830.06 is: 653,909.59
Step by Step Solution
- Step 1: Write the proportion equation
855,761.26 : 1,180,994.08 = 473,830.06 : x - Step 2: Convert to fraction form
855,761.26/1,180,994.08 = 473,830.06/x - Step 3: Cross multiply
855,761.26x = 1,180,994.08 × 473,830.06 - Step 4: Simplify right side
855,761.26x = 559,590,495,786.05 - Step 5: Solve for x
x = 559,590,495,786.05/855,761.26 - Step 6: Final answer
x = 653,909.59
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1.5x scale
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.