Finding the Fourth Proportional to 936,878.90, 1,405,107.95 and 430,953.92
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Solution
The fourth proportional to 936,878.90, 1,405,107.95 and 430,953.92 is: 646,334.09
Step by Step Solution
- Step 1: Write the proportion equation
936,878.90 : 1,405,107.95 = 430,953.92 : x - Step 2: Convert to fraction form
936,878.90/1,405,107.95 = 430,953.92/x - Step 3: Cross multiply
936,878.90x = 1,405,107.95 × 430,953.92 - Step 4: Simplify right side
936,878.90x = 605,536,772,050.12 - Step 5: Solve for x
x = 605,536,772,050.12/936,878.90 - Step 6: Final answer
x = 646,334.09
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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.