Finding the Fourth Proportional to 580,801.20, 801,823.32 and 351,397.68
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Solution
The fourth proportional to 580,801.20, 801,823.32 and 351,397.68 is: 485,120.99
Step by Step Solution
- Step 1: Write the proportion equation
580,801.20 : 801,823.32 = 351,397.68 : x - Step 2: Convert to fraction form
580,801.20/801,823.32 = 351,397.68/x - Step 3: Cross multiply
580,801.20x = 801,823.32 × 351,397.68 - Step 4: Simplify right side
580,801.20x = 281,758,854,417.90 - Step 5: Solve for x
x = 281,758,854,417.90/580,801.20 - Step 6: Final answer
x = 485,120.99
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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.