Finding the Fourth Proportional to 669,927.99, 924,541.97 and 383,441.52
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Solution
The fourth proportional to 669,927.99, 924,541.97 and 383,441.52 is: 529,172.96
Step by Step Solution
- Step 1: Write the proportion equation
669,927.99 : 924,541.97 = 383,441.52 : x - Step 2: Convert to fraction form
669,927.99/924,541.97 = 383,441.52/x - Step 3: Cross multiply
669,927.99x = 924,541.97 × 383,441.52 - Step 4: Simplify right side
669,927.99x = 354,507,776,363.39 - Step 5: Solve for x
x = 354,507,776,363.39/669,927.99 - Step 6: Final answer
x = 529,172.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.