Finding the Fourth Proportional to 649,299.36, 895,974.84 and 362,779.68
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Solution
The fourth proportional to 649,299.36, 895,974.84 and 362,779.68 is: 500,603.40
Step by Step Solution
- Step 1: Write the proportion equation
649,299.36 : 895,974.84 = 362,779.68 : x - Step 2: Convert to fraction form
649,299.36/895,974.84 = 362,779.68/x - Step 3: Cross multiply
649,299.36x = 895,974.84 × 362,779.68 - Step 4: Simplify right side
649,299.36x = 325,041,465,743.25 - Step 5: Solve for x
x = 325,041,465,743.25/649,299.36 - Step 6: Final answer
x = 500,603.40
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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.