Finding the Fourth Proportional to 838,263.44, 1,156,829.64 and 456,315.68
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Solution
The fourth proportional to 838,263.44, 1,156,829.64 and 456,315.68 is: 629,729.84
Step by Step Solution
- Step 1: Write the proportion equation
838,263.44 : 1,156,829.64 = 456,315.68 : x - Step 2: Convert to fraction form
838,263.44/1,156,829.64 = 456,315.68/x - Step 3: Cross multiply
838,263.44x = 1,156,829.64 × 456,315.68 - Step 4: Simplify right side
838,263.44x = 527,879,503,820.76 - Step 5: Solve for x
x = 527,879,503,820.76/838,263.44 - Step 6: Final answer
x = 629,729.84
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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.