Finding the Fourth Proportional to 935,919.68, 1,291,569.36 and 528,108.08
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Solution
The fourth proportional to 935,919.68, 1,291,569.36 and 528,108.08 is: 728,789.26
Step by Step Solution
- Step 1: Write the proportion equation
935,919.68 : 1,291,569.36 = 528,108.08 : x - Step 2: Convert to fraction form
935,919.68/1,291,569.36 = 528,108.08/x - Step 3: Cross multiply
935,919.68x = 1,291,569.36 × 528,108.08 - Step 4: Simplify right side
935,919.68x = 682,088,214,896.43 - Step 5: Solve for x
x = 682,088,214,896.43/935,919.68 - Step 6: Final answer
x = 728,789.26
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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.