Finding the Fourth Proportional to 570,284.66, 786,989.84 and 315,627.14
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Solution
The fourth proportional to 570,284.66, 786,989.84 and 315,627.14 is: 435,563.80
Step by Step Solution
- Step 1: Write the proportion equation
570,284.66 : 786,989.84 = 315,627.14 : x - Step 2: Convert to fraction form
570,284.66/786,989.84 = 315,627.14/x - Step 3: Cross multiply
570,284.66x = 786,989.84 × 315,627.14 - Step 4: Simplify right side
570,284.66x = 248,395,352,408.26 - Step 5: Solve for x
x = 248,395,352,408.26/570,284.66 - Step 6: Final answer
x = 435,563.80
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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.