Finding the Fourth Proportional to 554,541.80, 831,812.70 and 305,709.80
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Solution
The fourth proportional to 554,541.80, 831,812.70 and 305,709.80 is: 458,564.70
Step by Step Solution
- Step 1: Write the proportion equation
554,541.80 : 831,812.70 = 305,709.80 : x - Step 2: Convert to fraction form
554,541.80/831,812.70 = 305,709.80/x - Step 3: Cross multiply
554,541.80x = 831,812.70 × 305,709.80 - Step 4: Simplify right side
554,541.80x = 254,293,294,154.46 - Step 5: Solve for x
x = 254,293,294,154.46/554,541.80 - Step 6: Final answer
x = 458,564.70
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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.