Finding the Fourth Proportional to 616,351.84, 850,649.97 and 354,701.74
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Solution
The fourth proportional to 616,351.84, 850,649.97 and 354,701.74 is: 489,536.99
Step by Step Solution
- Step 1: Write the proportion equation
616,351.84 : 850,649.97 = 354,701.74 : x - Step 2: Convert to fraction form
616,351.84/850,649.97 = 354,701.74/x - Step 3: Cross multiply
616,351.84x = 850,649.97 × 354,701.74 - Step 4: Simplify right side
616,351.84x = 301,727,024,489.95 - Step 5: Solve for x
x = 301,727,024,489.95/616,351.84 - Step 6: Final answer
x = 489,536.99
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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.