Finding the Fourth Proportional to 784,895.70, 1,175,593.95 and 644,927.70
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Solution
The fourth proportional to 784,895.70, 1,175,593.95 and 644,927.70 is: 965,953.95
Step by Step Solution
- Step 1: Write the proportion equation
784,895.70 : 1,175,593.95 = 644,927.70 : x - Step 2: Convert to fraction form
784,895.70/1,175,593.95 = 644,927.70/x - Step 3: Cross multiply
784,895.70x = 1,175,593.95 × 644,927.70 - Step 4: Simplify right side
784,895.70x = 758,173,102,307.42 - Step 5: Solve for x
x = 758,173,102,307.42/784,895.70 - Step 6: Final answer
x = 965,953.95
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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.