Finding the Fourth Proportional to 752,349.04, 1,038,241.60 and 430,066.08
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Solution
The fourth proportional to 752,349.04, 1,038,241.60 and 430,066.08 is: 593,491.15
Step by Step Solution
- Step 1: Write the proportion equation
752,349.04 : 1,038,241.60 = 430,066.08 : x - Step 2: Convert to fraction form
752,349.04/1,038,241.60 = 430,066.08/x - Step 3: Cross multiply
752,349.04x = 1,038,241.60 × 430,066.08 - Step 4: Simplify right side
752,349.04x = 446,512,495,004.93 - Step 5: Solve for x
x = 446,512,495,004.93/752,349.04 - Step 6: Final answer
x = 593,491.15
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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.