Finding the Fourth Proportional to 752,305.14, 1,038,180.99 and 430,022.16
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Solution
The fourth proportional to 752,305.14, 1,038,180.99 and 430,022.16 is: 593,430.52
Step by Step Solution
- Step 1: Write the proportion equation
752,305.14 : 1,038,180.99 = 430,022.16 : x - Step 2: Convert to fraction form
752,305.14/1,038,180.99 = 430,022.16/x - Step 3: Cross multiply
752,305.14x = 1,038,180.99 × 430,022.16 - Step 4: Simplify right side
752,305.14x = 446,440,831,790.74 - Step 5: Solve for x
x = 446,440,831,790.74/752,305.14 - Step 6: Final answer
x = 593,430.52
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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.