Finding the Fourth Proportional to 529,425.36, 730,624.62 and 311,594.70
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Solution
The fourth proportional to 529,425.36, 730,624.62 and 311,594.70 is: 430,011.06
Step by Step Solution
- Step 1: Write the proportion equation
529,425.36 : 730,624.62 = 311,594.70 : x - Step 2: Convert to fraction form
529,425.36/730,624.62 = 311,594.70/x - Step 3: Cross multiply
529,425.36x = 730,624.62 × 311,594.70 - Step 4: Simplify right side
529,425.36x = 227,658,759,281.51 - Step 5: Solve for x
x = 227,658,759,281.51/529,425.36 - Step 6: Final answer
x = 430,011.06
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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.