Finding the Fourth Proportional to 899,090.36, 1,349,299.20 and 425,774.96
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Solution
The fourth proportional to 899,090.36, 1,349,299.20 and 425,774.96 is: 638,976.72
Step by Step Solution
- Step 1: Write the proportion equation
899,090.36 : 1,349,299.20 = 425,774.96 : x - Step 2: Convert to fraction form
899,090.36/1,349,299.20 = 425,774.96/x - Step 3: Cross multiply
899,090.36x = 1,349,299.20 × 425,774.96 - Step 4: Simplify right side
899,090.36x = 574,497,812,908.03 - Step 5: Solve for x
x = 574,497,812,908.03/899,090.36 - Step 6: Final answer
x = 638,976.72
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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.