Finding the Fourth Proportional to 833,613, 1,248,421.50 and 427,737.12
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Solution
The fourth proportional to 833,613, 1,248,421.50 and 427,737.12 is: 640,580.48
Step by Step Solution
- Step 1: Write the proportion equation
833,613 : 1,248,421.50 = 427,737.12 : x - Step 2: Convert to fraction form
833,613/1,248,421.50 = 427,737.12/x - Step 3: Cross multiply
833,613x = 1,248,421.50 × 427,737.12 - Step 4: Simplify right side
833,613x = 533,996,216,956.08 - Step 5: Solve for x
x = 533,996,216,956.08/833,613 - Step 6: Final answer
x = 640,580.48
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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.