Finding the Fourth Proportional to 875,101.70, 1,312,652.55 and 665,149.70
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Solution
The fourth proportional to 875,101.70, 1,312,652.55 and 665,149.70 is: 997,724.55
Step by Step Solution
- Step 1: Write the proportion equation
875,101.70 : 1,312,652.55 = 665,149.70 : x - Step 2: Convert to fraction form
875,101.70/1,312,652.55 = 665,149.70/x - Step 3: Cross multiply
875,101.70x = 1,312,652.55 × 665,149.70 - Step 4: Simplify right side
875,101.70x = 873,110,449,836.74 - Step 5: Solve for x
x = 873,110,449,836.74/875,101.70 - Step 6: Final answer
x = 997,724.55
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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.