Finding the Fourth Proportional to 947,263.24, 1,421,455.26 and 348,644.84
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Solution
The fourth proportional to 947,263.24, 1,421,455.26 and 348,644.84 is: 523,173.52
Step by Step Solution
- Step 1: Write the proportion equation
947,263.24 : 1,421,455.26 = 348,644.84 : x - Step 2: Convert to fraction form
947,263.24/1,421,455.26 = 348,644.84/x - Step 3: Cross multiply
947,263.24x = 1,421,455.26 × 348,644.84 - Step 4: Simplify right side
947,263.24x = 495,583,041,689.86 - Step 5: Solve for x
x = 495,583,041,689.86/947,263.24 - Step 6: Final answer
x = 523,173.52
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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.