Finding the Fourth Proportional to 899,452.62, 1,241,465.04 and 512,496.18
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Solution
The fourth proportional to 899,452.62, 1,241,465.04 and 512,496.18 is: 707,370.32
Step by Step Solution
- Step 1: Write the proportion equation
899,452.62 : 1,241,465.04 = 512,496.18 : x - Step 2: Convert to fraction form
899,452.62/1,241,465.04 = 512,496.18/x - Step 3: Cross multiply
899,452.62x = 1,241,465.04 × 512,496.18 - Step 4: Simplify right side
899,452.62x = 636,246,090,603.55 - Step 5: Solve for x
x = 636,246,090,603.55/899,452.62 - Step 6: Final answer
x = 707,370.32
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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.