Finding the Fourth Proportional to 899,983.07, 1,242,090.88 and 512,937.62
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Solution
The fourth proportional to 899,983.07, 1,242,090.88 and 512,937.62 is: 707,919.02
Step by Step Solution
- Step 1: Write the proportion equation
899,983.07 : 1,242,090.88 = 512,937.62 : x - Step 2: Convert to fraction form
899,983.07/1,242,090.88 = 512,937.62/x - Step 3: Cross multiply
899,983.07x = 1,242,090.88 × 512,937.62 - Step 4: Simplify right side
899,983.07x = 637,115,132,318.11 - Step 5: Solve for x
x = 637,115,132,318.11/899,983.07 - Step 6: Final answer
x = 707,919.02
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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.