Finding the Fourth Proportional to 1,005,595.09, 1,387,748.58 and 546,740.53
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Solution
The fourth proportional to 1,005,595.09, 1,387,748.58 and 546,740.53 is: 754,516.80
Step by Step Solution
- Step 1: Write the proportion equation
1,005,595.09 : 1,387,748.58 = 546,740.53 : x - Step 2: Convert to fraction form
1,005,595.09/1,387,748.58 = 546,740.53/x - Step 3: Cross multiply
1,005,595.09x = 1,387,748.58 × 546,740.53 - Step 4: Simplify right side
1,005,595.09x = 758,738,394,135.95 - Step 5: Solve for x
x = 758,738,394,135.95/1,005,595.09 - Step 6: Final answer
x = 754,516.80
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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.