Finding the Fourth Proportional to 664,353.36, 996,285.52 and 522,475.84
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Solution
The fourth proportional to 664,353.36, 996,285.52 and 522,475.84 is: 783,521.46
Step by Step Solution
- Step 1: Write the proportion equation
664,353.36 : 996,285.52 = 522,475.84 : x - Step 2: Convert to fraction form
664,353.36/996,285.52 = 522,475.84/x - Step 3: Cross multiply
664,353.36x = 996,285.52 × 522,475.84 - Step 4: Simplify right side
664,353.36x = 520,535,113,941.84 - Step 5: Solve for x
x = 520,535,113,941.84/664,353.36 - Step 6: Final answer
x = 783,521.46
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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.