Finding the Fourth Proportional to 857,624.84, 1,183,494.80 and 470,434.76
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Solution
The fourth proportional to 857,624.84, 1,183,494.80 and 470,434.76 is: 649,184.90
Step by Step Solution
- Step 1: Write the proportion equation
857,624.84 : 1,183,494.80 = 470,434.76 : x - Step 2: Convert to fraction form
857,624.84/1,183,494.80 = 470,434.76/x - Step 3: Cross multiply
857,624.84x = 1,183,494.80 × 470,434.76 - Step 4: Simplify right side
857,624.84x = 556,757,092,199.25 - Step 5: Solve for x
x = 556,757,092,199.25/857,624.84 - Step 6: Final answer
x = 649,184.90
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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.