Finding the Fourth Proportional to 938,788.68, 1,408,656.84 and 370,576.92
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Solution
The fourth proportional to 938,788.68, 1,408,656.84 and 370,576.92 is: 556,052.42
Step by Step Solution
- Step 1: Write the proportion equation
938,788.68 : 1,408,656.84 = 370,576.92 : x - Step 2: Convert to fraction form
938,788.68/1,408,656.84 = 370,576.92/x - Step 3: Cross multiply
938,788.68x = 1,408,656.84 × 370,576.92 - Step 4: Simplify right side
938,788.68x = 522,015,713,104.13 - Step 5: Solve for x
x = 522,015,713,104.13/938,788.68 - Step 6: Final answer
x = 556,052.42
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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.