Finding the Fourth Proportional to 742,904.10, 1,114,356.15 and 735,905.70
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Solution
The fourth proportional to 742,904.10, 1,114,356.15 and 735,905.70 is: 1,103,858.55
Step by Step Solution
- Step 1: Write the proportion equation
742,904.10 : 1,114,356.15 = 735,905.70 : x - Step 2: Convert to fraction form
742,904.10/1,114,356.15 = 735,905.70/x - Step 3: Cross multiply
742,904.10x = 1,114,356.15 × 735,905.70 - Step 4: Simplify right side
742,904.10x = 820,061,042,615.06 - Step 5: Solve for x
x = 820,061,042,615.06/742,904.10 - Step 6: Final answer
x = 1,103,858.55
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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.