Finding the Fourth Proportional to 924,343.05, 1,386,542.81 and 317,122.84
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Solution
The fourth proportional to 924,343.05, 1,386,542.81 and 317,122.84 is: 475,693.95
Step by Step Solution
- Step 1: Write the proportion equation
924,343.05 : 1,386,542.81 = 317,122.84 : x - Step 2: Convert to fraction form
924,343.05/1,386,542.81 = 317,122.84/x - Step 3: Cross multiply
924,343.05x = 1,386,542.81 × 317,122.84 - Step 4: Simplify right side
924,343.05x = 439,704,393,688.78 - Step 5: Solve for x
x = 439,704,393,688.78/924,343.05 - Step 6: Final answer
x = 475,693.95
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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.