Finding the Fourth Proportional to 756,090, 1,134,345.19 and 329,663.09
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Solution
The fourth proportional to 756,090, 1,134,345.19 and 329,663.09 is: 494,586.28
Step by Step Solution
- Step 1: Write the proportion equation
756,090 : 1,134,345.19 = 329,663.09 : x - Step 2: Convert to fraction form
756,090/1,134,345.19 = 329,663.09/x - Step 3: Cross multiply
756,090x = 1,134,345.19 × 329,663.09 - Step 4: Simplify right side
756,090x = 373,951,740,462.04 - Step 5: Solve for x
x = 373,951,740,462.04/756,090 - Step 6: Final answer
x = 494,586.28
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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.