Finding the Fourth Proportional to 779,235.40, 1,168,853.10 and 446,537.80
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Solution
The fourth proportional to 779,235.40, 1,168,853.10 and 446,537.80 is: 669,806.70
Step by Step Solution
- Step 1: Write the proportion equation
779,235.40 : 1,168,853.10 = 446,537.80 : x - Step 2: Convert to fraction form
779,235.40/1,168,853.10 = 446,537.80/x - Step 3: Cross multiply
779,235.40x = 1,168,853.10 × 446,537.80 - Step 4: Simplify right side
779,235.40x = 521,937,091,797.18 - Step 5: Solve for x
x = 521,937,091,797.18/779,235.40 - Step 6: Final answer
x = 669,806.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.