Finding the Fourth Proportional to 927,023.48, 1,279,372.89 and 519,117.91
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Solution
The fourth proportional to 927,023.48, 1,279,372.89 and 519,117.91 is: 716,427.79
Step by Step Solution
- Step 1: Write the proportion equation
927,023.48 : 1,279,372.89 = 519,117.91 : x - Step 2: Convert to fraction form
927,023.48/1,279,372.89 = 519,117.91/x - Step 3: Cross multiply
927,023.48x = 1,279,372.89 × 519,117.91 - Step 4: Simplify right side
927,023.48x = 664,145,386,712.19 - Step 5: Solve for x
x = 664,145,386,712.19/927,023.48 - Step 6: Final answer
x = 716,427.79
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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.