Finding the Fourth Proportional to 832,509.26, 1,148,864.20 and 450,536.34
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Solution
The fourth proportional to 832,509.26, 1,148,864.20 and 450,536.34 is: 621,740.92
Step by Step Solution
- Step 1: Write the proportion equation
832,509.26 : 1,148,864.20 = 450,536.34 : x - Step 2: Convert to fraction form
832,509.26/1,148,864.20 = 450,536.34/x - Step 3: Cross multiply
832,509.26x = 1,148,864.20 × 450,536.34 - Step 4: Simplify right side
832,509.26x = 517,605,071,825.03 - Step 5: Solve for x
x = 517,605,071,825.03/832,509.26 - Step 6: Final answer
x = 621,740.92
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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.