Finding the Fourth Proportional to 607,750.60, 912,446.70 and 355,289.80
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Solution
The fourth proportional to 607,750.60, 912,446.70 and 355,289.80 is: 533,414.54
Step by Step Solution
- Step 1: Write the proportion equation
607,750.60 : 912,446.70 = 355,289.80 : x - Step 2: Convert to fraction form
607,750.60/912,446.70 = 355,289.80/x - Step 3: Cross multiply
607,750.60x = 912,446.70 × 355,289.80 - Step 4: Simplify right side
607,750.60x = 324,183,005,553.66 - Step 5: Solve for x
x = 324,183,005,553.66/607,750.60 - Step 6: Final answer
x = 533,414.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.