Finding the Fourth Proportional to 633,620.70, 948,681.45 and 493,652.70
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Solution
The fourth proportional to 633,620.70, 948,681.45 and 493,652.70 is: 739,115.94
Step by Step Solution
- Step 1: Write the proportion equation
633,620.70 : 948,681.45 = 493,652.70 : x - Step 2: Convert to fraction form
633,620.70/948,681.45 = 493,652.70/x - Step 3: Cross multiply
633,620.70x = 948,681.45 × 493,652.70 - Step 4: Simplify right side
633,620.70x = 468,319,159,232.42 - Step 5: Solve for x
x = 468,319,159,232.42/633,620.70 - Step 6: Final answer
x = 739,115.94
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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.