Finding the Fourth Proportional to 752,324.96, 1,038,208.39 and 430,041.96
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Solution
The fourth proportional to 752,324.96, 1,038,208.39 and 430,041.96 is: 593,457.87
Step by Step Solution
- Step 1: Write the proportion equation
752,324.96 : 1,038,208.39 = 430,041.96 : x - Step 2: Convert to fraction form
752,324.96/1,038,208.39 = 430,041.96/x - Step 3: Cross multiply
752,324.96x = 1,038,208.39 × 430,041.96 - Step 4: Simplify right side
752,324.96x = 446,473,169,848.94 - Step 5: Solve for x
x = 446,473,169,848.94/752,324.96 - Step 6: Final answer
x = 593,457.87
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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.