Finding the Fourth Proportional to 814,128.84, 1,122,762.74 and 508,233.42
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Solution
The fourth proportional to 814,128.84, 1,122,762.74 and 508,233.42 is: 700,903.24
Step by Step Solution
- Step 1: Write the proportion equation
814,128.84 : 1,122,762.74 = 508,233.42 : x - Step 2: Convert to fraction form
814,128.84/1,122,762.74 = 508,233.42/x - Step 3: Cross multiply
814,128.84x = 1,122,762.74 × 508,233.42 - Step 4: Simplify right side
814,128.84x = 570,625,544,657.60 - Step 5: Solve for x
x = 570,625,544,657.60/814,128.84 - Step 6: Final answer
x = 700,903.24
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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.