Finding the Fourth Proportional to 606,257.60, 908,803.20 and 471,246.80
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Solution
The fourth proportional to 606,257.60, 908,803.20 and 471,246.80 is: 706,416.88
Step by Step Solution
- Step 1: Write the proportion equation
606,257.60 : 908,803.20 = 471,246.80 : x - Step 2: Convert to fraction form
606,257.60/908,803.20 = 471,246.80/x - Step 3: Cross multiply
606,257.60x = 908,803.20 × 471,246.80 - Step 4: Simplify right side
606,257.60x = 428,270,599,829.76 - Step 5: Solve for x
x = 428,270,599,829.76/606,257.60 - Step 6: Final answer
x = 706,416.88
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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.