Finding the Fourth Proportional to 511,801.84, 706,282.58 and 282,368.79
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Solution
The fourth proportional to 511,801.84, 706,282.58 and 282,368.79 is: 389,666.75
Step by Step Solution
- Step 1: Write the proportion equation
511,801.84 : 706,282.58 = 282,368.79 : x - Step 2: Convert to fraction form
511,801.84/706,282.58 = 282,368.79/x - Step 3: Cross multiply
511,801.84x = 706,282.58 × 282,368.79 - Step 4: Simplify right side
511,801.84x = 199,432,157,512.68 - Step 5: Solve for x
x = 199,432,157,512.68/511,801.84 - Step 6: Final answer
x = 389,666.75
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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.