Finding the Fourth Proportional to 735,219.80, 1,102,829.70 and 361,971.80
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Solution
The fourth proportional to 735,219.80, 1,102,829.70 and 361,971.80 is: 542,957.70
Step by Step Solution
- Step 1: Write the proportion equation
735,219.80 : 1,102,829.70 = 361,971.80 : x - Step 2: Convert to fraction form
735,219.80/1,102,829.70 = 361,971.80/x - Step 3: Cross multiply
735,219.80x = 1,102,829.70 × 361,971.80 - Step 4: Simplify right side
735,219.80x = 399,193,251,602.46 - Step 5: Solve for x
x = 399,193,251,602.46/735,219.80 - Step 6: Final answer
x = 542,957.70
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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.