Finding the Fourth Proportional to 817,837.98, 1,128,537.27 and 603,093.66
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Solution
The fourth proportional to 817,837.98, 1,128,537.27 and 603,093.66 is: 832,210.89
Step by Step Solution
- Step 1: Write the proportion equation
817,837.98 : 1,128,537.27 = 603,093.66 : x - Step 2: Convert to fraction form
817,837.98/1,128,537.27 = 603,093.66/x - Step 3: Cross multiply
817,837.98x = 1,128,537.27 × 603,093.66 - Step 4: Simplify right side
817,837.98x = 680,613,672,610.71 - Step 5: Solve for x
x = 680,613,672,610.71/817,837.98 - Step 6: Final answer
x = 832,210.89
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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.