Finding the Fourth Proportional to 1,023,624.70, 1,536,700.65 and 644,544.70
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Solution
The fourth proportional to 1,023,624.70, 1,536,700.65 and 644,544.70 is: 967,612.70
Step by Step Solution
- Step 1: Write the proportion equation
1,023,624.70 : 1,536,700.65 = 644,544.70 : x - Step 2: Convert to fraction form
1,023,624.70/1,536,700.65 = 644,544.70/x - Step 3: Cross multiply
1,023,624.70x = 1,536,700.65 × 644,544.70 - Step 4: Simplify right side
1,023,624.70x = 990,472,259,444.06 - Step 5: Solve for x
x = 990,472,259,444.06/1,023,624.70 - Step 6: Final answer
x = 967,612.70
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1.5x scale
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.