Finding the Fourth Proportional to 900,181.84, 1,242,364.42 and 590,344.98
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Solution
The fourth proportional to 900,181.84, 1,242,364.42 and 590,344.98 is: 814,750.49
Step by Step Solution
- Step 1: Write the proportion equation
900,181.84 : 1,242,364.42 = 590,344.98 : x - Step 2: Convert to fraction form
900,181.84/1,242,364.42 = 590,344.98/x - Step 3: Cross multiply
900,181.84x = 1,242,364.42 × 590,344.98 - Step 4: Simplify right side
900,181.84x = 733,423,598,677.61 - Step 5: Solve for x
x = 733,423,598,677.61/900,181.84 - Step 6: Final answer
x = 814,750.49
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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.