Finding the Fourth Proportional to 740,652.08, 1,022,098.90 and 401,121.68
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Solution
The fourth proportional to 740,652.08, 1,022,098.90 and 401,121.68 is: 553,547.39
Step by Step Solution
- Step 1: Write the proportion equation
740,652.08 : 1,022,098.90 = 401,121.68 : x - Step 2: Convert to fraction form
740,652.08/1,022,098.90 = 401,121.68/x - Step 3: Cross multiply
740,652.08x = 1,022,098.90 × 401,121.68 - Step 4: Simplify right side
740,652.08x = 409,986,027,894.15 - Step 5: Solve for x
x = 409,986,027,894.15/740,652.08 - Step 6: Final answer
x = 553,547.39
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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.