Finding the Fourth Proportional to 985,126.08, 1,359,471.96 and 532,416
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Solution
The fourth proportional to 985,126.08, 1,359,471.96 and 532,416 is: 734,732.98
Step by Step Solution
- Step 1: Write the proportion equation
985,126.08 : 1,359,471.96 = 532,416 : x - Step 2: Convert to fraction form
985,126.08/1,359,471.96 = 532,416/x - Step 3: Cross multiply
985,126.08x = 1,359,471.96 × 532,416 - Step 4: Simplify right side
985,126.08x = 723,804,623,055.36 - Step 5: Solve for x
x = 723,804,623,055.36/985,126.08 - Step 6: Final answer
x = 734,732.98
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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.