Finding the Fourth Proportional to 735,312.18, 1,102,623.80 and 308,756.96
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Solution
The fourth proportional to 735,312.18, 1,102,623.80 and 308,756.96 is: 462,990.80
Step by Step Solution
- Step 1: Write the proportion equation
735,312.18 : 1,102,623.80 = 308,756.96 : x - Step 2: Convert to fraction form
735,312.18/1,102,623.80 = 308,756.96/x - Step 3: Cross multiply
735,312.18x = 1,102,623.80 × 308,756.96 - Step 4: Simplify right side
735,312.18x = 340,442,772,511.65 - Step 5: Solve for x
x = 340,442,772,511.65/735,312.18 - Step 6: Final answer
x = 462,990.80
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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.