Finding the Fourth Proportional to 668,861.05, 1,003,395.93 and 219,479.63
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Solution
The fourth proportional to 668,861.05, 1,003,395.93 and 219,479.63 is: 329,253.69
Step by Step Solution
- Step 1: Write the proportion equation
668,861.05 : 1,003,395.93 = 219,479.63 : x - Step 2: Convert to fraction form
668,861.05/1,003,395.93 = 219,479.63/x - Step 3: Cross multiply
668,861.05x = 1,003,395.93 × 219,479.63 - Step 4: Simplify right side
668,861.05x = 220,224,967,459.91 - Step 5: Solve for x
x = 220,224,967,459.91/668,861.05 - Step 6: Final answer
x = 329,253.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.