Finding the Fourth Proportional to 570,845.96, 787,793.36 and 316,197.12
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Solution
The fourth proportional to 570,845.96, 787,793.36 and 316,197.12 is: 436,366.39
Step by Step Solution
- Step 1: Write the proportion equation
570,845.96 : 787,793.36 = 316,197.12 : x - Step 2: Convert to fraction form
570,845.96/787,793.36 = 316,197.12/x - Step 3: Cross multiply
570,845.96x = 787,793.36 × 316,197.12 - Step 4: Simplify right side
570,845.96x = 249,097,991,587.12 - Step 5: Solve for x
x = 249,097,991,587.12/570,845.96 - Step 6: Final answer
x = 436,366.39
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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.