Finding the Fourth Proportional to 974,462.70, 1,459,620.45 and 808,574.70
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Solution
The fourth proportional to 974,462.70, 1,459,620.45 and 808,574.70 is: 1,211,141.45
Step by Step Solution
- Step 1: Write the proportion equation
974,462.70 : 1,459,620.45 = 808,574.70 : x - Step 2: Convert to fraction form
974,462.70/1,459,620.45 = 808,574.70/x - Step 3: Cross multiply
974,462.70x = 1,459,620.45 × 808,574.70 - Step 4: Simplify right side
974,462.70x = 1,180,212,167,472.62 - Step 5: Solve for x
x = 1,180,212,167,472.62/974,462.70 - Step 6: Final answer
x = 1,211,141.45
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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.