Finding the Fourth Proportional to 747,364.38, 1,031,357.17 and 425,074.08
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Solution
The fourth proportional to 747,364.38, 1,031,357.17 and 425,074.08 is: 586,599.00
Step by Step Solution
- Step 1: Write the proportion equation
747,364.38 : 1,031,357.17 = 425,074.08 : x - Step 2: Convert to fraction form
747,364.38/1,031,357.17 = 425,074.08/x - Step 3: Cross multiply
747,364.38x = 1,031,357.17 × 425,074.08 - Step 4: Simplify right side
747,364.38x = 438,403,200,189.15 - Step 5: Solve for x
x = 438,403,200,189.15/747,364.38 - Step 6: Final answer
x = 586,599.00
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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.