Finding the Fourth Proportional to 752,342.04, 1,038,231.93 and 430,059.06
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Solution
The fourth proportional to 752,342.04, 1,038,231.93 and 430,059.06 is: 593,481.45
Step by Step Solution
- Step 1: Write the proportion equation
752,342.04 : 1,038,231.93 = 430,059.06 : x - Step 2: Convert to fraction form
752,342.04/1,038,231.93 = 430,059.06/x - Step 3: Cross multiply
752,342.04x = 1,038,231.93 × 430,059.06 - Step 4: Simplify right side
752,342.04x = 446,501,047,877.79 - Step 5: Solve for x
x = 446,501,047,877.79/752,342.04 - Step 6: Final answer
x = 593,481.45
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1.5x scale
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.