Finding the Fourth Proportional to 560,037.80, 840,056.70 and 323,841.80
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Solution
The fourth proportional to 560,037.80, 840,056.70 and 323,841.80 is: 485,762.70
Step by Step Solution
- Step 1: Write the proportion equation
560,037.80 : 840,056.70 = 323,841.80 : x - Step 2: Convert to fraction form
560,037.80/840,056.70 = 323,841.80/x - Step 3: Cross multiply
560,037.80x = 840,056.70 × 323,841.80 - Step 4: Simplify right side
560,037.80x = 272,045,473,830.06 - Step 5: Solve for x
x = 272,045,473,830.06/560,037.80 - Step 6: Final answer
x = 485,762.70
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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.