Finding the Fourth Proportional to 1,154,305.24, 1,731,457.84 and 312,856.98
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Solution
The fourth proportional to 1,154,305.24, 1,731,457.84 and 312,856.98 is: 469,285.46
Step by Step Solution
- Step 1: Write the proportion equation
1,154,305.24 : 1,731,457.84 = 312,856.98 : x - Step 2: Convert to fraction form
1,154,305.24/1,731,457.84 = 312,856.98/x - Step 3: Cross multiply
1,154,305.24x = 1,731,457.84 × 312,856.98 - Step 4: Simplify right side
1,154,305.24x = 541,698,670,819.72 - Step 5: Solve for x
x = 541,698,670,819.72/1,154,305.24 - Step 6: Final answer
x = 469,285.46
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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.