Finding the Fourth Proportional to 530,674.68, 732,327.94 and 288,956.68
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Solution
The fourth proportional to 530,674.68, 732,327.94 and 288,956.68 is: 398,758.52
Step by Step Solution
- Step 1: Write the proportion equation
530,674.68 : 732,327.94 = 288,956.68 : x - Step 2: Convert to fraction form
530,674.68/732,327.94 = 288,956.68/x - Step 3: Cross multiply
530,674.68x = 732,327.94 × 288,956.68 - Step 4: Simplify right side
530,674.68x = 211,611,050,213.64 - Step 5: Solve for x
x = 211,611,050,213.64/530,674.68 - Step 6: Final answer
x = 398,758.52
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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.