Finding the Fourth Proportional to 816,607.36, 1,126,925.12 and 530,235.52
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Solution
The fourth proportional to 816,607.36, 1,126,925.12 and 530,235.52 is: 731,729.54
Step by Step Solution
- Step 1: Write the proportion equation
816,607.36 : 1,126,925.12 = 530,235.52 : x - Step 2: Convert to fraction form
816,607.36/1,126,925.12 = 530,235.52/x - Step 3: Cross multiply
816,607.36x = 1,126,925.12 × 530,235.52 - Step 4: Simplify right side
816,607.36x = 597,535,727,004.26 - Step 5: Solve for x
x = 597,535,727,004.26/816,607.36 - Step 6: Final answer
x = 731,729.54
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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.